Operations with Decimals

The rule for:

Addition-

• When adding with decimals, line the decimals up in the question.

• When adding with decimals, line the decimals up in the question and answer.

• When adding with decimals, leave the decimal until the end. Count the number of decimal places in your question and put the same number in your answer.

• When adding with decimals, leave the decimal until the end. Put the decimal in the answer above where it its in the question (dividend).

Tags

CCSS.5.NBT.B.7

The rule for:

Subtraction-

• When subtracting with decimals, line the decimals up in the question.

• When subtracting with decimals, line the decimals up in the question and answer.

• When subtracting with decimals, leave the decimal until the end. Count the number of decimal places in your question and put the same number in your answer.

• When subtracting with decimals, leave the decimal until the end. Put the decimal in the answer above where it its in the question (dividend).

Tags

CCSS.5.NBT.B.7

The rule for:

Multiplication-

• When multiplying with decimals, line the decimals up in the question.

• When multiplying with decimals, line the decimals up in the question and answer.

• When multiplying with decimals, leave the decimal until the end. Count the number of decimal places in your question and put the same number in your answer.

• When multiplying with decimals, leave the decimal until the end. Put the decimal in the answer above where it its in the question (dividend).

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

The rule for:

Division-

• When dividing with decimals, line the decimals up in the question.

• When dividing with decimals, line the decimals up in the question and answer.

• When dividing with decimals, leave the decimal until the end. Count the number of decimal places in your question and put the same number in your answer.

• When dividing with decimals, leave the decimal until the end. Put the decimal in the answer above where it its in the question (dividend).

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

When the divisor is a decimal:

1st step is

• Multiply the divisor by a power of 10 to make it a whole number. (Move the decimal to the right)

• Multiply the dividend by the same power of 10. (Move decimal to the same number of spaces as the divisor)

• Place the decimal in the quotient directly above the decimal in the dividend.

• Find the answer.

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

When the divisor is a decimal:

2nd step is

• Multiply the divisor by a power of 10 to make it a whole number. (Move the decimal to the right)

• Multiply the dividend by the same power of 10. (Move decimal to the same number of spaces as the divisor)

• Place the decimal in the quotient directly above the decimal in the dividend.

• Find the answer.

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

When the divisor is a decimal:

3rd step is

• Multiply the divisor by a power of 10 to make it a whole number. (Move the decimal to the right)

• Multiply the dividend by the same power of 10. (Move decimal to the same number of spaces as the divisor)

• Place the decimal in the quotient directly above the decimal in the dividend.

• Find the answer.

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

Which two have the same rule?

Check the two that apply.

• Division

• Subtraction

• Multiplication

• Addition

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2