Twenty Questions*

Math Review of Unit 1

Twenty Questions

What math term means an answer

to an addition problem?

What math term means an answer to a subtraction

problem?

What addition property says the

order of the addends does not change the sum?

What addition property says the way the addends are grouped does

not change the sum?

What addition property says the sum of zero and

any number is that number?

0 + 7=7 is an example of what

property?

6 + 4= 4 +6=

Is an example of what property?

6 + (4+3)=

(6+4)+3 is an example of what

property?

What is the place of the underlined

digit?

2, 068?

What is the place of the underlined

digit?

156?

What is the place of the underlined

digit?

375?

What is the value of the underlined

digit?

68,314

What is the value of the underlined

digit?

456,300

What is the value of the underlined

digit?

9,006

300+60+1 is an example of writing a number in what

form?

361 is an example of writing a

number in what form?

Three-hundred sixty-one is an example of writing a number in

what form?

Solve the equation:

__ +70 +9= 579

Solve the equation:

(2+5)+4 = 2+(_+5)

Solve the equation:

328 + 69 = __+328

What math term means an answer to an addition problem?

The sum.

2. What math term means the answer to a subtraction problem?

The difference.

3 What addition property says the order of the addends does not change the sum?

Commutative Property

4.What addition property says the way addends are grouped does not change the sum?

The Associative Property

What addition property says the sum of zero and any number is that number?

The Zero Property of Addition

6 What is the place of the underlined digit? 2, 068

Thousands place

7. What is the place of the underlined digit? 156

Tens place

8. What is the place of the underlined digit? 375

Hundreds place.

9. What is the value of the underlined digit? 68,314

60,000

10. What is the value of the underlined digit? 456,300

400,000

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

9,000

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

Expanded form

13. 361 is an example of writing a number in what form?

Standard form

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

Written form

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

500

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

4

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

69.

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

19. Give the repeated addition sentence for the problem: 5x3

3+3+3+3+3 = 15

20. Give the multiplication sentence for the following: 6+6+6+6+6 =

5X6=30.