Length and Mass

Primary Mathematics · 41 lessons

Order these objects from shortest to longest: A) marker is 5 cm B) crayon is 10 cm C) spoon is 15 cm Which order is correct?

  • marker, crayon, spoon
  • crayon, marker, spoon
  • spoon, crayon, marker
  • spoon, marker, crayon
Why:

To determine the correct order, compare the lengths of each object. The marker is the shortest at 5 cm, followed by the crayon at 10 cm, and finally the spoon at 15 cm, making the order marker, crayon, spoon correct.

Order these objects from shortest to longest: A) pencil is 7 cm B) stick is 12 cm C) pen is 9 cm Which order is correct?

  • pencil, stick, pen
  • stick, pencil, pen
  • pen, pencil, stick
  • pencil, pen, stick
Why:

The pencil is 7 cm, the pen is 9 cm, and the stick is 12 cm. Thus, the correct order from shortest to longest is pencil, pen, stick.

Order these objects from shortest to longest: A) eraser is 3 cm B) ribbon is 8 cm C) brush is 5 cm Which order is correct?

  • eraser, ribbon, brush
  • brush, eraser, ribbon
  • eraser, brush, ribbon
  • ribbon, brush, eraser
Why:

When comparing the lengths, the eraser is 3 cm, the brush is 5 cm, and the ribbon is 8 cm. Therefore, the shortest to longest order is eraser, brush, ribbon.

Order these objects from shortest to longest: A) string is 4 cm B) book is 20 cm C) toy is 15 cm Which order is correct?

  • string, toy, book
  • book, string, toy
  • string, book, toy
  • toy, string, book
Why:

The string measures 4 cm, the toy measures 15 cm, and the book measures 20 cm. Therefore, the order from shortest to longest is string, toy, book.

Order these objects from shortest to longest: A) paperclip is 2 cm B) notebook is 9 cm C) tablet is 22 cm Which order is correct?

  • paperclip, notebook, tablet
  • notebook, paperclip, tablet
  • tablet, notebook, paperclip
  • paperclip, tablet, notebook
Why:

In this case, the paperclip is 2 cm, the notebook is 9 cm, and the tablet is 22 cm. The correct order from shortest to longest is paperclip, notebook, tablet.

Order these objects from shortest to longest: A) cup is 6 cm B) plate is 14 cm C) bowl is 10 cm Which order is correct?

  • cup, bowl, plate
  • bowl, cup, plate
  • plate, bowl, cup
  • cup, plate, bowl
Why:

The cup measures 6 cm, the bowl measures 10 cm, and the plate measures 14 cm. The correct order from shortest to longest is cup, bowl, plate.

Put these objects in order from lightest to heaviest: A) feather weighs 5 grams B) coin weighs 10 grams C) toy car weighs 15 grams Which order is correct?

  • feather, coin, toy car
  • coin, feather, toy car
  • toy car, feather, coin
  • coin, toy car, feather
Why:

To find the correct order, we compare the weights of the objects. The feather weighs 5 grams, the coin weighs 10 grams, and the toy car weighs 15 grams. Therefore, the lightest is the feather, followed by the coin, and then the toy car.

Put these objects in order from lightest to heaviest: A) button weighs 3 grams B) block weighs 20 grams C) eraser weighs 7 grams Which order is correct?

  • button, eraser, block
  • block, button, eraser
  • eraser, block, button
  • eraser, button, block
Why:

To arrange the objects from lightest to heaviest, we first look at their weights. The button weighs 3 grams, the eraser weighs 7 grams, and the block weighs 20 grams. Therefore, the button is the lightest, followed by the eraser, and the block is the heaviest.

Put these objects in order from lightest to heaviest: A) toy weighs 12 grams B) pencil weighs 10 grams C) rubber band weighs 5 grams Which order is correct?

  • rubber band, pencil, toy
  • pencil, rubber band, toy
  • toy, pencil, rubber band
  • rubber band, toy, pencil
Why:

The correct order from lightest to heaviest is determined by comparing the objects' weights. The rubber band weighs 5 grams, the pencil weighs 10 grams, and the toy weighs 12 grams. Thus, the rubber band is the lightest, followed by the pencil, and then the toy.

Put these objects in order from lightest to heaviest: A) rock weighs 100 grams B) feather weighs 2 grams C) shoe weighs 300 grams Which order is correct?

  • feather, rock, shoe
  • rock, feather, shoe
  • shoe, rock, feather
  • rock, shoe, feather
Why:

To arrange the objects from lightest to heaviest, we compare their weights. The feather weighs 2 grams, the rock weighs 100 grams, and the shoe weighs 300 grams. Therefore, the feather is the lightest, followed by the rock, and the shoe is the heaviest.

Put these objects in order from lightest to heaviest: A) book weighs 400 grams B) pencil weighs 20 grams C) laptop weighs 1500 grams Which order is correct?

  • pencil, book, laptop
  • book, pencil, laptop
  • pencil, laptop, book
  • laptop, book, pencil
Why:

To find the order from lightest to heaviest, we compare the weights of the book, pencil, and laptop. The pencil weighs 20 grams, the book weighs 400 grams, and the laptop weighs 1500 grams. Thus, the pencil is the lightest, followed by the book, and the laptop is the heaviest.

Put these objects in order from lightest to heaviest: A) feather weighs 5 grams B) apple weighs 150 grams C) book weighs 300 grams Which order is correct?

  • feather, apple, book
  • apple, feather, book
  • book, apple, feather
  • apple, book, feather
Why:

To find the correct order, first look at the weights: 5 grams for the feather, 150 grams for the apple, and 300 grams for the book. Thus, the feather is the lightest, followed by the apple, and finally the book, which is the heaviest.

Read the statements below: 1) A pencil is 25 cm long. 2) A brush is 20 cm long. 3) A spoon is 15 cm long. Which statement is true?

  • A pencil is longer than a brush
  • A brush is longer than a pencil
  • A spoon is longer than a pencil
  • All are the same length
Why:

To determine which statement is true, compare the lengths of the pencil and brush. The pencil at 25 cm is longer than the brush at 20 cm, making the first statement correct.

Read the statements below: 1) A rope is 30 cm long. 2) A crayon is 25 cm long. 3) A string is 28 cm long. Which statement is true?

  • A rope is longer than a crayon
  • A crayon is longer than a string
  • A string is longer than a rope
  • All are the same length
Why:

The rope measures 30 cm, which is greater than the crayon's length of 25 cm. Therefore, the first statement is true.

Read the statements below: 1) A stick is 22 cm long. 2) A fork is 18 cm long. 3) An eraser is 21 cm long. Which statement is true?

  • A stick is longer than a fork
  • A fork is longer than an eraser
  • An eraser is longer than a stick
  • All are the same length
Why:

Comparing the lengths, the stick at 22 cm is longer than the fork at 18 cm. Thus, the first statement is true.

Read the statements below: 1) A pencil is 10 cm long. 2) A brush is 10 cm long. 3) A spoon is 10 cm long. Which statement is true?

  • A pencil is longer than a brush
  • A brush is longer than a spoon
  • A spoon is longer than a pencil
  • All are the same length
Why:

Since all three objects measure 10 cm, they are equal in length, making the last statement true.

Read the statements below: 1) apple weighs 75 g. 2) banana weighs 50 g. 3) orange weighs 85 g. Which statement is true?

  • apple is heavier than banana
  • banana is heavier than orange
  • orange is heavier than apple
  • All have the same mass
Why:

To determine which statement is true, compare the weights of the objects. The weights are 75 g for apple, 50 g for banana, and 85 g for orange. Since 85 g (orange) is greater than 75 g (apple), the statement that orange is heavier than apple is correct.

Read the statements below: 1) toy car weighs 45 g. 2) block weighs 60 g. 3) bottle weighs 50 g. Which statement is true?

  • toy car is heavier than block
  • block is heavier than bottle
  • bottle is heavier than toy car weighs
  • All have the same mass
Why:

To determine which statement is true, compare the weights of the objects. The weights are 45 g for toy car, 60 g for block, and 50 g for bottle. Since 60 g (block) is greater than 50 g (bottle), the statement that block is heavier than bottle is correct.

Read the statements below: 1) cup weighs 30 g. 2) ball weighs 40 g. 3) eraser weighs 30 g. Which statement is true?

  • cup is heavier than ball
  • ball is heavier than eraser
  • eraser is heavier than cup
  • All have the same mass
Why:

To determine which statement is true, compare the weights of the objects. The weights are 30 g for cup, 40 g for ball, and 30 g for eraser. Since 40 g (ball) is greater than 30 g (eraser), the statement that ball is heavier than eraser is correct.

Read the statements below: 1) sandwich weighs 70 g. 2) shoe weighs 70 g. 3) bottle weighs 70 g. Which statement is true?

  • sandwich is heavier than shoe
  • shoe is heavier than bottle
  • bottle is heavier than sandwich
  • All have the same mass
Why:

To determine which statement is true, compare the weights of the objects. All three objects weigh 70 g, hence they are equal in mass. Therefore, the statement that all have the same mass is correct.

Look at the picture. Which object is the longest?

  • a stick
  • a ruler
  • a ribbon
  • All are the same length
Why:

The longest object is the ruler, as it has the greatest length compared to the other two objects.

Look at the picture. Which object is the longest?

  • a crayon
  • a fork
  • a twig
  • All are the same length
Why:

The fork is the longest object, having the greatest length compared to the crayon and twig.

Look at the picture. Which object is the longest?

  • a rope
  • a spoon
  • a clip
  • All are the same length
Why:

The rope is the longest object, as it has the largest length measurement compared to the other items.

Look at the picture. Which object is the longest?

  • a stick
  • a straw
  • a ruler
  • All are the same length
Why:

The ruler is the longest object among the three, having the highest length.

Look at the picture. Which object is the longest?

  • a clip
  • a straw
  • a pencil
  • All are the same length
Why:

The pencil is the longest object among the three, having the highest length measurement.

Look at the picture. Which object is the heaviest?

  • an apple
  • a banana
  • a sandwich
  • All have the same mass
Why:

The sandwich has the highest mass among the three objects displayed in the image, making it the heaviest.

Look at the picture. Which object is the heaviest?

  • a book
  • a cup
  • an orange
  • All have the same mass
Why:

The book has the highest mass among the three objects displayed in the image, making it the heaviest.

Look at the picture. Which object is the heaviest?

  • a toy car
  • a ball
  • a teddy bear
  • All have the same mass
Why:

The teddy bear has the highest mass among the three objects displayed in the image, making it the heaviest.

Which measurement is correct for the length of a toy car and a ruler?

  • 15 centimeters for toy car, 30 centimeters for ruler
  • 20 centimeters for toy car, 25 centimeters for ruler
  • 10 centimeters for toy car, 35 centimeters for ruler
  • 12 centimeters for toy car, 28 centimeters for ruler
Why:

The correct length of the toy car is 15 centimeters and the ruler is 30 centimeters. Measure both with a ruler to confirm.

Which measurement is correct for the length of a ruler and a book?

  • 20 centimeters for ruler, 40 centimeters for book
  • 25 centimeters for ruler, 30 centimeters for book
  • 18 centimeters for ruler, 22 centimeters for book
  • 15 centimeters for ruler, 35 centimeters for book
Why:

To find the lengths, the ruler measures 25 centimeters and the book measures 30 centimeters. These can be confirmed by measuring each object.

Look at the picture. Which object is the heaviest?

  • a lunchbox
  • a ball
  • an orange
  • All have the same mass
Why:

The lunchbox has the highest mass compared to the ball and the orange.

Look at the picture. Which object is the heaviest?

  • a book
  • a toy car
  • a bottle of water
  • All have the same mass
Why:

The bottle of water has the greatest mass when compared to the book and the toy car.

Look at the picture. Which object is the heaviest?

  • a bag of rice
  • an apple
  • a cup
  • All have the same mass
Why:

The bag of rice has the largest mass compared to the apple and the cup.

Which measurement is correct for the length of a pencil and a ruler?

  • 15 centimeters for pencil, 30 centimeters for ruler
  • 10 centimeters for pencil, 25 centimeters for ruler
  • 20 centimeters for pencil, 40 centimeters for ruler
  • 5 centimeters for pencil, 15 centimeters for ruler
Why:

To find the correct lengths, measure the pencil and ruler using a ruler or measuring tape. After measuring, the pencil should be 15 centimeters and the ruler should be 30 centimeters long.

Which measurement is correct for the length of a book and a toy?

  • 25 centimeters for book, 10 centimeters for toy
  • 15 centimeters for book, 5 centimeters for toy
  • 30 centimeters for book, 20 centimeters for toy
  • 20 centimeters for book, 15 centimeters for toy
Why:

By measuring the book and toy with a ruler, the book is found to be 25 centimeters and the toy is 10 centimeters long, which matches the correct answer.

Which measurement is correct for the length of a book and a notebook?

  • 18 centimeters for book, 12 centimeters for notebook
  • 22 centimeters for book, 15 centimeters for notebook
  • 20 centimeters for book, 10 centimeters for notebook
  • 16 centimeters for book, 14 centimeters for notebook
Why:

After measuring the book and notebook, the lengths found are 18 centimeters for the book and 12 centimeters for the notebook, which corresponds to the correct answer.

Look at the picture. Which object is the longest?

  • a stick
  • a ruler
  • a ribbon
  • All are the same length
Why:

To find the longest object, compare the lengths of the stick, ruler, and ribbon shown in the image. The ruler has the largest length, making it the longest object.

Look at the picture. Which object is the longest?

  • a pencil
  • a straw
  • a fork
  • All are the same length
Why:

In the image, the lengths of the pencil, straw, and fork are compared. The fork has the greatest length, making it the longest object.

Look at the picture. Which object is the longest?

  • a pen
  • a chopstick
  • a string
  • All are the same length
Why:

The chopstick, pen, and string lengths are compared in the image. The chopstick is the longest among them.

Look at the picture. Which object is the heaviest?

  • an apple
  • a banana
  • a sandwich
  • All have the same mass
Why:

To find out which object is the heaviest, we compare the masses of the apple, banana, and sandwich. The sandwich has the largest mass, making it the heaviest object.

Look at the picture. Which object is the heaviest?

  • a bottle
  • a cup
  • a ball
  • All have the same mass
Why:

The ball has the greatest mass compared to the bottle and cup, making it the heaviest among the three objects.

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