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.
What is the best multiplication sentence to find the number of birds?
- 1 x 6 = 6 birds
- 1 x 9 = 9 birds
- 1 x 8 = 8 birds
Sorry, that is incorrect. Remember, when multiplying by 1, the answer is always the same as the number multiplied by 1.
That is correct! There are 9 birds at the petting zoo.
Sorry, that is incorrect. Remember, when multiplying by 1, the answer is always the same as the number multiplied by 1.
Which repeated addition sentence represents how many birds live at the petting zoo?
- 1 + 1 + 1 + 1 + 1 + 1 + 1 = 8
- 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 8
- 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 9
Sorry, that is incorrect. Count again carefully. There is one group of 9 birds.
Sorry, that is incorrect. Count again carefully. There is one group of 9 birds.
Great job! You used repeated addition to find that there are 9 birds at the petting zoo.
Which answer represents how many birds live at the petting zoo?
- 1 group of 9 birds
- 2 groups of 9 birds
- 3 groups of 9 birds
Great job! There is 1 group of 9 birds, which is equal to 9 birds total.
Sorry, that is incorrect. There is only 1 group of birds. Count the birds inside this one group to find how many birds there are total.
Sorry, that is incorrect. There is only 1 group of birds. Count the birds inside this one group to find how many birds there are total.
Which repeated addition sentence is equal to 1 x 3 = 3?
- 1 + 1 + 1 + 1
- 1 + 1 + 1
- 3
Sorry, that is not correct. Use repeated addition to find the answer to 1 x 3 = 3.
Great job! The answer is 1 + 1 + 1 = 3.
Sorry, that is not correct. Use repeated addition to find the answer to 1 x 3 = 3.
Which repeated addition sentence is equal to 1 x 8 = 8?
- 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
- 1 + 8
- 8
Great work! The answer is 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1, which is equal to 8.
Sorry, that is not correct. Use repeated addition to solve 1 x 8 = 8.
Sorry, that is not correct. Use repeated addition to solve 1 x 8 = 8.
Which multiplication number sentence is equal to this repeated addition number sentence: 1 + 1 = 2?
- 2 = 2
- 2 x 2 = 4
- 1 x 2 = 2
That is not correct. Repeated addition is when you add equal groups. You are looking for a multiplication number sentence that equals 2.
That is not correct. Repeated addition is when you add equal groups. You are looking for a multiplication number sentence that equals 2.
Great job! 1 + 1 = 2 is repeated addition to show 1 x 2 = 2.
Which multiplication number sentence is equal to this repeated addition number sentence: 1 + 1 + 1 + 1 + 1 = 5?
- 5 = 5
- 3 + 2 = 5
- 1 x 5 = 5
That is not correct. 1 + 1 + 1 + 1 + 1 = 5.
That is not correct. 1 + 1 + 1 + 1 + 1 = 5.
Great job! 1 + 1 + 1 + 1 + 1 = 5 is equal to 1 x 5 = 5.
Which repeated addition number sentence shows how many turtles there are?
- 1 + 1 + 1 + 1 + 1 + 1 = 6
- 1 + 1 + 1 + 1 + 1 + 1 + 1 = 7
- 7 = 7
Sorry, that is not correct. Use repeated addition to help you solve this problem.
Great job! You used repeated addition to help you solve this problem.
Sorry, that is not correct. Use repeated addition to help you solve this problem.
Which multiplication number sentence represents how many turtles there are?
- 1 x 7 = 7
- 1 + 1 + 1 + 1 + 1 + 1 + 1 = 7
- 7 = 7
Great job! There is one group of 7 turtles, the multiplication number sentence would be 1 x 7 = 7.
Sorry, that is incorrect. Remember, when multiplying by 1, the answer is always the same as the number being multiplied by 1, so 1 x 7 = 7.
Sorry, that is incorrect. Remember, when multiplying by 1, the answer is always the same as the number being multiplied by 1, so 1 x 7 = 7.
What is 1 x 15?
- 1
- 15
- 12
Sorry, that is incorrect. Remember, when multiplying by 1, the answer is always the same as the number being multiplied by 1, so 1 x 15 = 15.
That is correct! Using the rule for multiplying by 1, you know that 1 x 15 = 15.
Sorry, that is incorrect. Remember, when multiplying by 1, the answer is always the same as the number being multiplied by 1, so 1 x 15 = 15.
Summary
Questions answered correctly:
Questions answered incorrectly: