1. Twenty Questions* Math Review of Unit 1

2. Twenty Questions

3. What math term means an answer to an addition problem? • The sum.

4. 2. What math term means the answer to a subtraction problem? • The difference.

5. 3 What addition property says the order of the addends does not change the sum? • Commutative Property

6. 4.What addition property says the way addends are grouped does not change the sum? • The Associative Property

7. What addition property says the sum of zero and any number is that number? • The Zero Property of Addition

8. 6 What is the place of the underlined digit?2, 068 • Thousands place

9. What is the place of the underlined digit? 156 • Tens place

10. What is the place of the underlined digit?375 • Hundreds place.

11. What is the value of the underlined digit?68,314 • 60,000

12. What is the value of the underlined digit?456,300 • 400,000

13. 11.What is the value of the underlined digit?9,006 • 9,000

14. 12. 300 +60 +1 is an example of writing a number in what form? • Expanded form

15. 361 is an example of writing a number in what form? • Standard form

16. Three-hundred sixty-one is an example of writing a number in what form? • Written form

17. 15. Solve the equation: ____+ 70 + 9 = 579 • 500

18. 16. Solve the equation: ( 2 + 5 ) + 4 = 2 + ( __ + 5 ) • 4

19. 17. Solve the equation: 328 + 69 = __ + 328 • 69.

20. 18. In a word problem, if the question asks you “about how much, or “about how many, this is a clue you need to _______ • Estimate

21. 19. Give the repeated addition sentence for the problem: 5x3 • 3+3+3+3+3 = 15

22. Give the multiplication sentence for the following: 6+6+6+6+6 = • 5X6=30.