Adding Decimals
Subtracting Decimals
Multiply Decimals
Dividing Decimals
Vocabulary
100

Add 3.4+2.06

5.46

100

5.0−2.37

2.63

100

2×0.5

1.0 or 1

100

4.5÷3

1.5

100

What is the math term for the position of a digit in a decimal that tells its value (tenths, hundredths, thousandths)?

Place Value

200

12.75+0.9+0.035

13.685

200

14.2−3.456

10.744

200

3.4×2

6.8

200

9.64÷8

1.205

200

What is the name of the number you get after adding or subtracting decimals?

Sum (for addition) or Difference (for subtraction)

300

2.49+1.75

4.24

300

20.00−7.58−2.345

10.075

300

0.25×0.4

0.10

300

0.6÷0.2

3

300

What do you call the answer when multiplying decimals?

Product

400

45.682+3.009+0.309

49.000 or 49

400

100.005−0.999

99.006

400

12.3×4.5

55.35

400

4.5÷0.75

6

400

What's the first  and second steps when dividing a decimal number by a decimal number?

Move the decimal point in the divisor to make a whole number THEN you must move the decimal point in the dividend the same number of times (shadow)

500

123.45+67.8+9.006

200.256

500

12.300−3.457−0.843

8.000 or 8

500

0.75×0.06

0.045

500

0.3÷0.4

0.75

500

When multiplying decimals, what tells you how many decimal places the product should have?

The total number of decimal places in both factors.

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