Page 45 - Basic College Mathematics with Early Integers

Vocabulary and Readiness Check

Use the choices below to fill in each blank. Some choices may be used more than once.

sum order addend associative
perimeter number grouping commutative

1. The sum of 0 and any number is the same .
2. The sum of any number and 0 is the same .
3. In 35 + 20 = 55 , the number 55 is called the and 35 and 20 are each called a(n) .
4. The distance around a polygon is called its .
5. Since (3 + 1) + 20 = 3 + (1 + 20) , we say that changing the in addition does not change the sum.
This property is called the property of addition.
6. Since 7 + 10 = 10 + 7 , we say that changing the in addition does not change the sum.This property
is called the property of addition.

1.3 Exercise Set FOR EXTRA HELP

Objective Add. See Examples 1 through 4.

1. 14 2. 27 3. 62 4. 37 5. 12
+ 22 + 31 + 230 + 542 13
+ 24

6. 23 7. 5267 8. 236 9. 53 + 64 10. 41 + 74
45 + 132 + 6243
+ 30

11. 22 + 490 12. 35 + 470 13. 22,781 + 186,297 14. 17,427 + 821,059

15. 8 16. 3 17. 6 18. 12
9 5 21 4
2 8 14 8
5 5 9 26
+ 1 + 7 + 12 + 10

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19. 81 20. 64 21. 62 + 18 + 14 22. 23 + 49 + 18
17 28
23 56
79 25
+ 12 + 32

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