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 unknown number in this equation?
? \({ \div }\) 6 = 6
6 + 6 + 6 + 6 + 6 + 6 = 36
- 6
- 36
- 42
- 70
Sorry, that is not correct. How many times was 6 added?
Yes! The unknown number is 36 because 6 \({ \times }\) 6 = 36.
Sorry, that is not correct. How many times was 6 added?
Sorry, that is not correct. How many times was 6 added?
What is the unknown number in this equation?
72 \({ \div }\) ? = 9
- 8
- 10
- 6
- 7
Correct! The unknown number is 8 because 72 \({ \div }\) 8 = 9.
Sorry, that is not correct. You can divide 72 \({ \div }\) 9 to find this unknown number.
Sorry, that is not correct. You can divide 72 \({ \div }\) 9 to find this unknown number.
Sorry, that is not correct. You can divide 72 \({ \div }\) 9 to find this unknown number.
Which related multiplication fact will help you find the missing factor?
? \({ \div }\) 8 = 7
- 6 \({ \times }\) 6 = 36
- 7 \({ \times }\) 10 = 70
- 9 \({ \times }\) 9 = 81
- 8 \({ \times }\) 7 = 56
Sorry, that is not correct. This multiplication fact does not use the same numbers in the division fact.
Sorry, that is not correct. This multiplication fact does not use the same numbers in the division fact.
Sorry, that is not correct. This multiplication fact does not use the same numbers in the division fact.
You are right! This multiplication fact uses the same numbers in the division fact. The unknown number is 56.
Which division strategy helps you find the unknown number?
48 \({ \div }\) ? = 8
-
36 – 6 – 6 – 6 – 6 – 6 – 6 = 0
-
-
-
Sorry, that is not correct. This repeated subtraction sentence helps you solve 36 \({ \div }\) 6.
Correct! There are 8 rows of 6 dots in this array. The unknown number is 6.
Sorry, that is not correct. This picture helps you solve 60 \({ \div }\) 10.
Sorry, that is not correct. 6 equal groups of 9 helps you solve 54 \({ \div }\) 6.
What is the unknown number in this equation?
? \({ \div }\) 9 = 9
- 100
- 70
- 81
- 94
Sorry, that is not correct. What number does the last jump land on?
Sorry, that is not correct. What number does the last jump land on?
Yes! The unknown number is 81 because 9 \({ \times }\) 9 = 81.
Sorry, that is not correct. What number does the last jump land on?
What is the unknown number in this equation?
70 \({ \div }\) ? = 10
- 10
- 70
- 7
- 8
Sorry, that is not correct. You can divide 70 \({ \div }\) 10 to find this unknown number.
Sorry, that is not correct. You can divide 70 \({ \div }\) 10 to find this unknown number.
Correct! The unknown number is 7 because 70 \({ \div }\) 10 = 7.
Sorry, that is not correct. You can divide 70 \({ \div }\) 10 to find this unknown number.
Which related division fact will help you find the unknown number?
54 \({ \div }\) ? = 9
- 54 \({ \div }\) 9 = 6
- 70 \({ \div }\) 10 = 7
- 49 \({ \div }\) 7 = 7
- 72 \({ \div }\) 8 = 9
You are right! This division fact uses the same numbers in the original division fact. The unknown number is 6.
Sorry, that is not correct. This division fact does not use the same numbers in the original division fact.
Sorry, that is not correct. This division fact does not use the same numbers in the original division fact.
Sorry, that is not correct. This division fact does not use the same numbers in the original division fact.
Which division strategy helps you find the unknown number?
90 \({ \div }\) ? = 10
-
81 – 9 – 9 – 9 – 9 – 9 – 9 – 9 – 9 – 9 = 0
-
-
-
Sorry, that is not correct. This repeated subtraction sentence helps you solve 81 \({ \div }\) 9.
Sorry, that is not correct. There are 7 rows of 7 dots in this array. This array helps you solve 49 \({ \div }\) 7.
Sorry, that is not correct. This picture helps you solve 100 \({ \div }\) 10.
Correct! 10 equal groups of 9 helps you solve 90 \({ \div }\) 10 = 9.
What is the unknown number in this equation?
? \({ \div }\) 7 = 6
- 42
- 30
- 81
- 49
Yes! The unknown number is 42 because 7 \({ \times }\) 6 = 42.
Sorry, that is not correct. How many total dots are in the picture?
Sorry, that is not correct. How many total dots are in the picture?
Sorry, that is not correct. How many total dots are in the picture?
What is the unknown number in this equation?
63 \({ \div }\) ? = 7
- 8
- 90
- 10
- 9
Sorry, that is not correct. You can divide 63 \({ \div }\) 7 to find this unknown number.
Sorry, that is not correct. You can divide 63 \({ \div }\) 7 to find this unknown number.
Sorry, that is not correct. You can divide 63 \({ \div }\) 7 to find this unknown number.
Correct! The unknown number is 9 because 63 \({ \div }\) 7 = 9.
Summary
Questions answered correctly:
Questions answered incorrectly: