Decimal Addition
Decimal Multiplication
Decimal Division
Decimal Subtraction
Decimal Mixed
100
2.34 + 1.25 =
3.59
100
1.3 x 7 =
9.1
100
2.4 / 6 =
0.4
100

34.5 - 19.4 =

15.1

100

32.52 + 4.5

37.02

200
1.8 + 1.2 =
3.0
200
.44 x 8 =
3.52
200
1.84 / 4 =
0.46
200
7.65 - 3.2 =
4.45
200

True or False?

When adding or subtracting, You MUST line up the decimal points?

True

300
1.4 + 12.7 =
14.1
300
4.59 x 3.68 =
16.8912
300

0.96 / 0.5

1.92

300
9.1 - 4.67 =
4.43
300

True or False?

When Multiplying, you MUST line up the decimal points.

False

400
1.25 + .9 =
2.15
400
.11 x .19 =
0.0209
400

87.14 / 0.2 =

43.57

400
16 - 7.34 =
8.66
400

When dividing with decimals, the divisor(the number outside) must be a what?

Whole number

500
198.4 + 32.59 =
230.99
500
9.87 x 3.9 =
38.493
500

43.52 / 0.5

87.04

500

986.4 - 3.975 =

982.425

500

Multiplying, how can we tell where the decimal point must go in the answer?

Count the places after the decimal point for BOTH numbers

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