Adding and Subtracting Decimals/Rounding

True or False

100

When adding or subtracting decimals, make sure the decimal points are aligned.

TRUE

200

You can NOT add zeros to the right of a decimal number to ensure the same number of decimal places in both numbers.

FALSE

300

If the digit to the right of the place value you are rounding to is less than 5, you let it rest (leave the digit as is).

TRUE

400

the correct order of place value is

thousand/hundred/tens/ones(decimal)oneths/tenths/hundredths/

FALSE there is no such thing as oneths!

500

Rounding always results in a larger number.

FALSE

Adding Decimals

100

1.3+7.5

8.8

200

37.21+15.2

52.41

300

197.39+43.21

240.6

400

78.3+132.9999

211.2999

500

999.99+99.999

1,099.989

Subtracting Decimals

100

11.3-10.1

1.2

200

35.67-22.34

58.01

300

37.21-36.99

0.22

400

141.23-131.35

9.88

500

732.1-617.287

114.813

Rounding

100

Round to nearest tens

178.00

180 or 180.00

200

Round to nearest hundreds

9,872

9,900

300

Round to nearest tenths

43.02

43 or 43.00

400

Round to nearest hundredths

33.457

33.56 or 33.560

500

Round to nearest ten thousands

12,354.45321

10,000 or 10,000.00000

Place Value

100

What number is in the tens place Value?

145

5

200

What number is in the hundreds place?

1,539

5

300

What number is in the tenths place?

547.348

3

400

What number is in the thousandths place?

123.4567

6

500

What number is in the oneths place?

145.672

TRICK QUESTION! Oneths does NOT exist haha