Adding and Subtracting Fractions and Decimals Explained

This video tutorial reviews the processes of adding and subtracting both fractions and decimals. It provides step-by-step examples for each operation, emphasizing the importance of aligning decimal points and finding common denominators. The video also covers handling positive and negative numbers, converting improper fractions to mixed numbers, and using placeholders in calculations. The tutorial concludes with a reminder to apply these methods in practice.

What is the first step when adding decimals?

• Ignore the decimal points

• Add the numbers directly

• Convert to fractions

• Align the decimal points

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CCSS.6.NS.B.3

What is the result of adding 2.4 and 3.9?

• 5.3

• 6.3

• 7.3

• 8.3

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CCSS.7.NS.A.1C

When adding negative decimals, what should you do with the signs?

• Convert to positive

• Subtract them

• Ignore them

• Add them together and keep the sign

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CCSS.7.NS.A.1C

What is the result of adding -5.7 and -8.61?

• -12.31

• -11.31

• -13.31

• -14.31

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CCSS.5.NBT.B.7

What is the first step when subtracting decimals?

• Ignore the decimal points

• Add the numbers directly

• Align the decimal points

• Convert to fractions

Tags

CCSS.5.NBT.B.7

What is the result of subtracting 12.00 and 8.12?

• 6.88

• 3.88

• 5.88

• 4.88

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CCSS.5.NBT.B.7

What is the least common denominator for 3/5 and 7/10?

• 10

• 20

• 5

• 15

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of adding 3 4/5 and 7 3/10?

• 10 1/10

• 11 1/10

• 12 1/10

• 13 1/10

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator for 3/4 and 2/3?

• 12

• 10

• 8

• 6

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CCSS.7.NS.A.1C

What is the result of subtracting 4 3/4 and 2 1/3?

• 2 5/12

• 3 5/12

• 4 5/12

• 1 5/12

Tags

CCSS.7.NS.A.1C