Money

Primary Mathematics · 59 lessons

Cindy wants to buy an item, which item is the cheapest? a pencil: 50 cents, an apple: $1.80, a notebook: $1.56, a toy robot: $1.90

  • a pencil
  • an apple
  • a notebook
  • a toy robot
Why:

To find the cheapest item, convert all prices to cents and compare them. The pencil costs 50 cents, which is the lowest price among all items.

David wants to buy an item, which item is the most expensive? a toy car: $2.40, a water bottle: 30 cents, a sticker pack: 70 cents, a sandwich combo: $6.50

  • a toy car
  • a water bottle
  • a sticker pack
  • a sandwich combo
Why:

To identify the most expensive item, convert all prices to cents and compare them. The sandwich combo costs 650 cents, which is the highest price.

Ali wants to buy an item, which item is the cheapest? a chocolate bar: $3.10, a juice box: $0.75, an eraser: 70 cents, a cap: 40 cents

  • a chocolate bar
  • a juice box
  • an eraser
  • a cap
Why:

To determine the cheapest item, convert all prices to cents. The cap costs 40 cents, which is the lowest price.

Jamal wants to buy an item, which item is the most expensive? a balloon: $2.90, a storybook: $4.60, a small book: $1.80, a toy robot: $1.90

  • a balloon
  • a storybook
  • a small book
  • a toy robot
Why:

To find the most expensive item, convert all prices to cents. The storybook costs 460 cents, which is the highest price.

Lina wants to buy an item, which item is the cheapest? a sandwich: $1.25, a crayon set: 70 cents, a ball: $3.45, a cookie: $1.56

  • a sandwich
  • a crayon set
  • a ball
  • a cookie
Why:

To find the cheapest item, convert all prices to cents. The crayon set costs 70 cents, which is the lowest price.

David wants to buy an item, which item is the cheapest? a rope: $1.72, an apple: $1.80, a notebook: $1.56, a toy robot: $1.90

  • a rope
  • a notebook
  • an apple
  • a toy robot
Why:

To find the cheapest item, convert all prices to cents: a rope is 172 cents, an apple is 180 cents, a notebook is 156 cents, and a toy robot is 190 cents. The notebook has the lowest price at 156 cents.

Mei buys a pencil for 30 cents and a ruler for 20 cents. What is the total cost?

  • 50 cents
  • 40 cents
  • 60 cents
  • 70 cents
Why:

To find the total cost, convert both prices to cents. The pencil is 30 cents and the ruler is 20 cents. Adding these together gives a total of 50 cents.

Arun buys an eraser for 50 cents and a bun for 40 cents. What is the total cost?

  • 90 cents
  • 80 cents
  • 100 cents
  • 70 cents
Why:

To find the total cost, add the cost of the eraser (50 cents) and the bun (40 cents) together to get 90 cents.

Dio buys a sticker for $1.20 and a postcard for 20 cents. What is the total cost?

  • 140 cents
  • 160 cents
  • 150 cents
  • 170 cents
Why:

Convert the $1.20 to cents (120 cents) and add it to the postcard price (20 cents) to calculate a total of 140 cents.

Ali buys a juice box for 50 cents and a small toy for 70 cents. What is the total cost?

  • 120 cents
  • 130 cents
  • 110 cents
  • 140 cents
Why:

To find the total cost, add the cost of the juice box (50 cents) and the small toy (70 cents) together to get 120 cents.

Mei buys a pencil for $1 and a small toy for 80 cents. What is the total cost?

  • 170 cents
  • 160 cents
  • 150 cents
  • 180 cents
Why:

Convert the pencil price to cents ($1 = 100 cents) and add it to the toy price (80 cents) to get a total of 180 cents.

Arun buys an eraser for 30 cents and a postcard for 50 cents. What is the total cost?

  • 90 cents
  • 80 cents
  • 70 cents
  • 100 cents
Why:

To find the total cost, add the cost of the eraser (30 cents) and the postcard (50 cents) together to get 80 cents.

Dio buys a juice box for 60 cents and a bun for 30 cents. What is the total cost?

  • 90 cents
  • 80 cents
  • 70 cents
  • 100 cents
Why:

To find the total cost, add the cost of the juice box (60 cents) and the bun (30 cents) together to get 90 cents.

Mei buys a pencil for 50 cents and a ruler for 40 cents. What is the total cost?

  • 90 cents
  • 80 cents
  • 70 cents
  • 100 cents
Why:

To find the total cost, first convert the prices of both items to cents. Then, add the two amounts together to get the total in cents. Finally, the total is 90 cents.

Ali has 30 cents. He wants to buy something that costs 80 cents. How much more money does he need?

  • 40 cents
  • 50 cents
  • 60 cents
  • 70 cents
Why:

To find out how much more money Ali needs, we first convert both amounts to cents. Then we subtract Ali's current amount from the target amount. The result shows the extra money needed.

Maria has $1.20. She wants to buy a toy that costs $2. How much more money does she need?

  • 70 cents
  • 80 cents
  • 90 cents
  • 60 cents
Why:

To find out how much more money Maria needs, we convert both amounts to cents and then subtract her current amount from the target amount. This gives us the extra money required.

Tom has 50 cents. He wants to buy a book that costs $1.50. How much more money does he need?

  • 80 cents
  • 70 cents
  • 90 cents
  • 100 cents
Why:

To determine how much more money Tom needs, we convert both amounts to cents, and then we perform the subtraction of his current amount from the target amount to find the extra needed.

Lucy has 40 cents. She wants to buy a snack that costs $1.00. How much more money does she need?

  • 50 cents
  • 60 cents
  • 70 cents
  • 80 cents
Why:

To find out how much more money Lucy needs, we convert both amounts to cents, then subtract her current amount from the target amount to find the difference needed.

Ben has 20 cents. He wants to buy a game that costs 90 cents. How much more money does he need?

  • 60 cents
  • 50 cents
  • 70 cents
  • 80 cents
Why:

To figure out how much more money Ben needs, we first convert both amounts to cents and then subtract his current amount from the target amount to find out the additional money required.

Ella has $1.00. She wants to buy a dress that costs $1.80. How much more money does she need?

  • 60 cents
  • 70 cents
  • 80 cents
  • 90 cents
Why:

To calculate how much more money Ella needs, we convert both amounts to cents and subtract her current amount from the target amount to find the additional amount needed.

Jack has 10 cents. He wants to buy a toy that costs 50 cents. How much more money does he need?

  • 30 cents
  • 40 cents
  • 50 cents
  • 20 cents
Why:

To find out how much more money Jack needs, we convert both amounts to cents and subtract his current amount from the target amount to determine the difference.

Sophie has 60 cents. She wants to buy a lunch that costs $1.20. How much more money does she need?

  • 40 cents
  • 50 cents
  • 60 cents
  • 70 cents
Why:

To determine how much more money Sophie needs, we convert both amounts to cents and subtract her current amount from the total cost to find the difference.

If you have 4 coins of 10 cents and 2 coins of 5 cents, what is the total amount of money in cents?

  • 50
  • 45
  • 40
  • 55
Why:

To find the total amount, multiply the number of coins by their values: 4 coins of 10 cents give 40 cents and 2 coins of 5 cents give 10 cents. Adding these amounts together gives 50 cents.

If you have 3 coins of 20 cents and 1 coin of 5 cents, what is the total amount of money in cents?

  • 65
  • 60
  • 55
  • 70
Why:

First, calculate the value of 3 coins of 20 cents which is 60 cents. Then, add the value of 1 coin of 5 cents which is 5 cents. Together, they total 65 cents.

If you have 2 coins of 50 cents and 3 coins of 1 cent, what is the total amount of money in cents?

  • 103
  • 102
  • 104
  • 101
Why:

Calculate the total from 2 coins of 50 cents which equals 100 cents. Adding the 3 coins of 1 cent adds another 3 cents, giving a total of 103 cents.

If you have 5 coins of 1 cent and 4 coins of 10 cents, what is the total amount of money in cents?

  • 45
  • 50
  • 40
  • 55
Why:

Find the total by calculating 5 coins of 1 cent which equals 5 cents, and then add 4 coins of 10 cents which equals 40 cents. The total is 45 cents.

If you have 6 coins of 5 cents and 1 coin of 20 cents, what is the total amount of money in cents?

  • 50
  • 45
  • 55
  • 40
Why:

Calculate the total for 6 coins of 5 cents which is 30 cents, and then add 1 coin of 20 cents which is 20 cents. Together, they total 50 cents.

If you have 1 coin of 50 cents and 2 coins of 20 cents, what is the total amount of money in cents?

  • 90
  • 80
  • 70
  • 100
Why:

The total is found by calculating 1 coin of 50 cents which is 50 cents, and then adding 2 coins of 20 cents which equals 40 cents. The total is 90 cents.

If you have 2 coins of 1 cent and 5 coins of 10 cents, what is the total amount of money in cents?

  • 52
  • 54
  • 56
  • 50
Why:

First, calculate 2 coins of 1 cent which equals 2 cents, then calculate 5 coins of 10 cents which equals 50 cents. Adding these gives a total of 52 cents.

If you have 3 coins of 5 cents and 4 coins of 20 cents, what is the total amount of money in cents?

  • 90
  • 85
  • 80
  • 95
Why:

Calculate the total from 3 coins of 5 cents which equals 15 cents. Then, add 4 coins of 20 cents which equals 80 cents. Together, they total 95 cents.

If you have 5 coins of 1 cent and 1 coin of 50 cents, what is the total amount of money in cents?

  • 55
  • 50
  • 51
  • 54
Why:

Calculate the total from 5 coins of 1 cent which equals 5 cents. Then, add 1 coin of 50 cents which gives another 50 cents. Together, they total 55 cents.

You have 30 cents. You want to have 50 cents. Which coin do you need to add?

  • 10
  • 20
  • 5
  • 1
Why:

To find out what coin you need to add, subtract your current amount (30 cents) from your target amount (50 cents). You need to add 20 cents to reach 50 cents.

You have 25 cents. You want to have 50 cents. Which coin do you need to add?

  • 10
  • 15
  • 20
  • 25
Why:

To find out what coin you need to add, subtract your current amount (25 cents) from your target amount (50 cents). You need to add 25 cents to reach 50 cents.

You have 15 cents. You want to have 50 cents. Which coin do you need to add?

  • 35
  • 40
  • 25
  • 50
Why:

To find out what coin you need to add, subtract your current amount (15 cents) from your target amount (50 cents). You need to add 35 cents to reach 50 cents.

You have 40 cents. You want to have 50 cents. Which coin do you need to add?

  • 5
  • 10
  • 20
  • 15
Why:

To find out what coin you need to add, subtract your current amount (40 cents) from your target amount (50 cents). You need to add 10 cents to reach 50 cents.

You have 60 cents. You want to have 100 cents. Which coin do you need to add?

  • 30
  • 40
  • 50
  • 20
Why:

To find out what coin you need to add, subtract your current amount (60 cents) from your target amount (100 cents). You need to add 40 cents to reach 100 cents.

You have 70 cents. You want to have 100 cents. Which coin do you need to add?

  • 20
  • 30
  • 40
  • 10
Why:

To find out what coin you need to add, subtract your current amount (70 cents) from your target amount (100 cents). You need to add 30 cents to reach 100 cents.

You have 5 cents. You want to have 10 cents. Which coin do you need to add?

  • 2
  • 3
  • 5
  • 4
Why:

To find out what coin you need to add, subtract your current amount (5 cents) from your target amount (10 cents). You need to add 5 cents to reach 10 cents.

You have 45 cents. You want to have 50 cents. Which coin do you need to add?

  • 5
  • 10
  • 15
  • 1
Why:

To find out what coin you need to add, subtract your current amount (45 cents) from your target amount (50 cents). You need to add 5 cents to reach 50 cents.

You have 80 cents. You want to have 100 cents. Which coin do you need to add?

  • 15
  • 20
  • 25
  • 30
Why:

To find out what coin you need to add, subtract your current amount (80 cents) from your target amount (100 cents). You need to add 20 cents to reach 100 cents.

You have 20 cents. You want to have 50 cents. Which coin do you need to add?

  • 25
  • 30
  • 20
  • 10
Why:

To find out how much more you need to reach 50 cents, subtract your current amount of 20 cents from the target amount of 50 cents. You need 30 more cents, which is the value of the coin you need to add.

Which item is cheaper? Item A: $25, Item B: $30.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

To find out which item is cheaper, we compare the prices of Item A and Item B. Since $25 is less than $30, Item A is the cheaper option.

Which item is cheaper? Item A: $45, Item B: $40.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Comparing the prices, $40 for Item B is less than $45 for Item A, so Item B is the cheaper option.

Which item is cheaper? Item A: $15, Item B: $15.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Since both items cost $15, they are equal in price, making them the same cost.

Which item is cheaper? Item A: $60, Item B: $50.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Item B is cheaper because its price of $50 is less than Item A's price of $60.

Which item is cheaper? Item A: $20, Item B: $25.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Comparing the prices, Item A costs $20 which is less than the $25 of Item B, making Item A the cheaper option.

Which item is cheaper? Item A: $10, Item B: $15.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Item A is cheaper because it costs $10, while Item B costs $15.

Which item is cheaper? Item A: $30, Item B: $22.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Item B is the cheaper option, costing $22, while Item A costs $30.

Which item is cheaper? Item A: $50, Item B: $50.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Both items are priced at $50, so they cost the same, making neither cheaper than the other.

Which item is cheaper? Item A: $35, Item B: $40.

  • Item A
  • Item B
  • Both cost the same
  • Item A and Item B are equally priced
Why:

Item A is the cheaper option as it costs $35 compared to Item B's $40.

Which item is cheaper? Item A: $30, Item B: $25.

  • Item A
  • Item B
  • Both cost the same
  • None of the above
Why:

To determine which item is cheaper, you need to compare the prices of both items. Item B has a price of $25, which is lower than Item A's price of $30, making Item B the cheaper option.

Alya buys an item for $32. Alya pays with $50. How much change should Alya get?

  • $18
  • $20
  • $16
  • $14
Why:

To find the change Alya should receive, subtract the cost of the item from the amount she paid. The change is calculated as $50 - $32, which equals $18.

Ravi purchases an item for $45. He pays with $100. How much change should Ravi get?

  • $55
  • $60
  • $50
  • $52
Why:

To determine the change, subtract the item's cost from the amount paid. Therefore, $100 - $45 equals $55.

Liam buys a book for $27. He pays with $70. How much change should Liam get?

  • $43
  • $41
  • $39
  • $45
Why:

The change Liam should receive is calculated by subtracting the cost of the book from the amount he paid: $70 - $27 equals $43.

Emma buys a dress for $58. She pays with $100. How much change should Emma get?

  • $42
  • $44
  • $46
  • $40
Why:

To find the change Emma should receive, subtract the cost of the dress from the amount she paid: $100 - $58 equals $42.

Noah purchases a toy for $36. He pays with $80. How much change should Noah get?

  • $44
  • $46
  • $42
  • $40
Why:

Noah's change is calculated by subtracting the toy's cost from the amount paid: $80 - $36 equals $44.

Siti buys an item for $45. Siti pays with $100. How much change should Siti get?

  • $55
  • $50
  • $60
  • $45
Why:

To find out how much change Siti should receive, subtract the cost of the item from the amount paid. In this case, $100 - $45 equals $55, which is the amount of change Siti should receive.

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