Adding and Subtracting Place Values

The place value right after the decimal is called the __________.

• tens

• tenths

• thousands

• hundrenths

When adding or subtracting with decimals, you -

• Move decimals out

• Shift decimals 3 places over

• Line up the decimals

• Ignore decimals

The place value right before the decimal is called the _______.

• ones

• tenths

• tens

• hundreds

ESTIMATE to find the sum, by rounding to the largest place values.

853,471 + 36,839

• 840,000

• 940,000

• 1,000,000

• 1,300,000

• 697

• 867

• 699

1,000 more than 120,985

• 119,985

• 130,985

• 122,985

• 121,985

Subtract 789 from 932. What is the value of the tens place in the result?

• 3

• 2

• 5

• 4

What is the value of the expression 10,000 + 6,000 + 300 + 7 in standard form?

• 16,370

• 16,037

• 16,307

• 10,637

Use mental math to solve.

120 + 42 + 80

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Do you line up the decimals when adding/subtracting

• Yes

• No

• Maybe so