Assess Yourself
How well do you understand the ideas in this lesson?
Goal:
Goal:
Show What You Know!
Are you ready to take this lesson's quiz? These questions will help you find out. Go back to the lesson if you do not know an answer.
Which subtraction sentence compares these toys?
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- 18 - 9 = 9
- 12 - 9 = 3
- 20 - 12 = 8
Correct! The toy truck is 18 centimeters tall, and the toy car is 9 centimeters tall.
The toy truck is 18 centimeters tall, and the toy car is 9 centimeters tall, so 18 - 9 = 9.
The toy truck is 18 centimeters tall, and the toy car is 9 centimeters tall, so 18 - 9 = 9.
How much longer is the rocking horse than the baseball?
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- 11 centimeters
- 29 centimeters
- 72 centimeters
The rocking horse is 72 centimeters longer than the baseball because 83 - 11 = 72.
The rocking horse is 72 centimeters longer than the baseball because 83 - 11 = 72.
Good job! The rocking horse is 72 centimeters longer than the baseball because 83 - 11 = 72.
Which statement is true?
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- The soccer ball is 31 centimeters shorter than the scooter.
- The scooter is 54 centimeters taller than the soccer ball.
- The scooter is 22 centimeters tall.
The scooter is 54 centimeters taller than the soccer ball because 85 - 31 = 54.
Good job! The scooter is 54 centimeters taller than the soccer ball because 85 - 31 = 54.
The scooter is 54 centimeters taller than the soccer ball because 85 - 31 = 54.
How much longer is the baseball bat than the baseball card?
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- 23 centimeters
- 70 centimeters
- 82 centimeters
The baseball bat is 82 centimeters longer than the baseball card because 90 - 8 = 82.
The baseball bat is 82 centimeters longer than the baseball card because 90 - 8 = 82.
Good job! The baseball bat is 82 centimeters longer than the baseball card because 90 - 8 = 82.
Which statement is true?
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- The arcade game is 19 centimeters taller than the controller.
- The controller is 14 centimeters tall.
- The arcade game is 40 centimeters taller than the controller.
Good job! The arcade game is 19 centimeters taller than the controller because 30 - 11 = 19.
The arcade game is 19 centimeters taller than the controller because 30 - 11 = 19.
The arcade game is 19 centimeters taller than the controller because 30 - 11 = 19.
Which subtraction sentence compares these toys?
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- 12 - 7 = 5
- 20 - 5 = 15
- 18 - 10 = 8
The blocks are 18 centimeters tall, and the rubber duck is 10 centimeters tall, so 18 - 10 = 8.
The blocks are 18 centimeters tall, and the rubber duck is 10 centimeters tall, so 18 - 10 = 8.
Correct! The blocks are 18 centimeters tall, and the rubber duck is 10 centimeters tall.
How much taller is the hairbrush than the yo-yo?
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- 10 centimeters
- 17 centimeters
- 4 centimeters
The hairbrush is 17 centimeters taller than the yo-yo because 24 - 7 = 17.
Good job! The hairbrush is 17 centimeters taller than the yo-yo because 24 - 7 = 17.
The hairbrush is 17 centimeters taller than the yo-yo because 24 - 7 = 17.
Which statement is true?
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- The stool is 18 centimeters taller than the tennis ball.
- The stool is 100 centimeters taller than the tennis ball.
- The tennis ball is 10 centimeters taller than the stool.
Good job! The stool is 18 centimeters taller than the tennis ball because 28 - 10 = 18.
The stool is 18 centimeters taller than the tennis ball because 28 - 10 = 18.
The stool is 18 centimeters taller than the tennis ball because 28 - 10 = 18.
Which subtraction sentence compares these items?
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- 8 - 5 = 3
- 25 - 3 = 22
- 47 - 19 = 28
Correct! The paper clip is 5 centimeters tall, and the button is 8 centimeters tall.
The paper clip is 5 centimeters tall, and the button is 8 centimeters tall, so 8 - 5 = 3.
The paper clip is 5 centimeters tall, and the button is 8 centimeters tall, so 8 - 5 = 3.
Summary
Questions answered correctly:
Questions answered incorrectly: