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# Common Core Standard 7.NS.A.2a Questions

Understand that multiplication is extended from fractions to rational numbers by requiring that operations continue to satisfy the properties of operations, particularly the distributive property, leading to products such as (–1)(–1) = 1 and the rules for multiplying signed numbers. Interpret products of rational numbers by describing real-world contexts.

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Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$-10xx-5=$
1. 15
2. 50
3. -20
4. -50
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$4xx-5=$
1. 9
2. -30
3. 20
4. -20
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$-50 xx-3=$
1. 150
2. 100
3. -150
4. 53
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$-13 xx3=$
1. 26
2. -39
3. -29
4. 39
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$30 xx -2=$
1. 50
2. 60
3. 45
4. -60
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$6 * -7 =$
1. -42
2. 42
3. -2
4. 13
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$18 xx (-2) =$
1. $36$
2. $-36$
3. $16$
4. $-16$
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$(-5)(-2) =$
1. $-7$
2. $10$
3. $7$
4. $-10$
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$-9 xx -2 =$
1. $-11$
2. $-18$
3. $4.5$
4. $18$
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2, 7.NS.A.2a
Consider the problem:
$a * b$
If both a and b are negative numbers, then the answer should be:
1. positive
2. negative
3. it depends on the numbers
4. not enough information to tell
Grade 7 Positive and Negative Numbers CCSS: 7.NS.A.2a
$18(-2) =$
1. $-16$
2. $-36$
3. $16$
4. $36$
Grade 7 Algebraic Expressions CCSS: 7.NS.A.2a
Grade 7 Algebraic Expressions CCSS: 7.NS.A.2a
Grade 7 Algebraic Expressions CCSS: 7.NS.A.2a
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