Numbers and Number Sense

Math 7

Which property is shown in the following number sentence?

Multi

plicative id

entity ...

Additive

identity pro

perty

Multi

plicative in

verse

p...

Additive

inve

rse pro

perty

25% 25%25%25%

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A. Multiplicative identity propertyB. Additive identity propertyC. Multiplicative inverse propertyD. Additive inverse property

Which statement is false?

A B C D

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A. AB. BC. CD. D

Which number is equivalent to 0.7%?

.007 .07 7 70

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A. 0.007B. 0.07C. 7D. 70

Anne’s utility bills for three months were $59, $67, and $33. To add the utility bills mentally, Anne thought

“(59 + 67)+33=59+(67+33)” What property did Anne use?

Inverse

property

of addi...

Identity pro

perty of a

dd...

Commutative pro

perty o...

Associa

tive pro

perty of ..

.

25% 25%25%25%

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A. Inverse property of additionB. Identity property of additionC. Commutative property of

additionD. Associative property of

addition

exponent

404 6 -6-404

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A. 404B. 6C. -6D. -404

Which is correctly written in scientific notation?

5.6×106

56 ×105

5600000

56 milli

on

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A. 5.6×106

B. 56 ×105

C. 5,600,000D. 56 million

Which is true?

A B C D

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A. A

B. B

C. C

D. D

Which set is ordered greatest to least ?

{ 16%, 0

.166, ...

{1.6 × 106, 1

6...

25% 25%25%25%

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A. { 16%, ⅙, 1.6 × 106 , 0.166 }B. { 16%, 0.166, ⅙, 1.6 × 106 }C. {1.6 × 106, 16%, ⅙, 0.166 }D. {1.6 × 106, ⅙, 0.166, 16%}

Which property is used in the following number sentence? 4(3+n) = (4·3) + (4·n)

Dist

ributive

p...

Additive

inve

r...

Associa

tive pr..

.

Commutative pr..

.

25% 25%25%25%

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A. Distributive propertyB. Additive inverse propertyC. Associative property of additionD. Commutative property of

addition

Which of the following is another way of expressing 2 out of 8 ?

2.50%25% 2.5 25

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A. 2.5%B. 25%C. 2.5D. 25

Which list is in order from least to greatest ?

25% 25%25%25%

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A. 0.17, 40%, ⅔, ⅝, 0.78B. 0.17, 40%, ⅝, ⅔, 0.78C. 0.78, ⅝, ⅔, 40%, 0.17D. 0.78, ⅔, ⅝, 40%, 0.17

The fraction ⅛ is equivalent to —

0.01%0.13%

12.50%125%

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A. 0.012%B. 0.125%C. 12.5%D. 125%

Which of the following equations illustrates the multiplicative property of zero?

10 · 0 = 0

10(15 · 0) =

1...

10(8 + 0) = 10...

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A. 10 · 0 = 0B. 10 + (−10) = 0C. 10(15 · 0) = 10(0 · 15)D. 10(8 + 0) = 10 · 8 + 10 · 0

Which is false ?

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A. 35 ÷ (−30 + 37) = (−35 ÷ −30) + (−35 ÷ 37)B. (−891 + 345) − −78 = −891 + (345 − −78)C. −5 · (−35 + 42) = (−5 · −35) + (−5 · 42)D. −62 + 123 = 123 + −62