Adding and Subtracting Rational Numbers Explained

What is the first step when adding or subtracting rational numbers?

• Check the sign

• Change subtraction to addition

• Convert to the same form

• Simplify the numbers

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CCSS.7.NS.A.1C

When should you change subtraction to addition?

• When working with integers

• When working with fractions

• When working with mixed numbers

• When working with decimals

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CCSS.7.NS.A.1C

In the butterfly method, what do you do after cross-multiplying the numerators?

• Divide the results

• Subtract the results

• Multiply the results

• Add the results

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of 4/3 - 2/5 using the butterfly method?

• 7/20

• 8/20

• 8/15

• 7/15

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

How do you convert the fraction 11/4 to a decimal?

• Subtract 4 from 11

• Add 11 and 4

• Multiply 11 by 4

• Divide 11 by 4

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

If you owe $7.25 and pay $2.75, what is the remaining amount?

• $5.25

• $4.50

• $4.75

• $5.00

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CCSS.5.NBT.B.7

What is the decimal equivalent of 1/4?

• 0.5

• 0.75

• 0.25

• 0.1

Using PEMDAS, what is the result of 0.35 - 0.15?

• 0.4

• 0.3

• 0.2

• 0.1

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CCSS.7.NS.A.3

What is the simplified form of 3/18?

• 1/6

• 1/3

• 2/9

• 3/9

What is the final result of adding 1/6 and 5/8?

• 22/24

• 21/24

• 20/24

• 19/24

Tags

CCSS.7.NS.A.1C