Adding Decimals
Subtracting Decimals
Rounding Decimals
Multiply Decimals by Whole Numbers
Multiply Decimals by Decimals
100
3.29 + 7.6 =
10.89
100
26.48 - 6.25 =
20.23
100

Round 6.38 to the tenths place.

What is 6.4?

100
6.28 X 2
12.56
100
32.19 X 0.5 =
16.095
200
6.7 + 42.9 =
49.6
200
76.48 - 24.64 =
51.84
200

Round 168.84 to the hundreds place.

What is 200?

200
58.4 X 4 =
233.6
200
23.54 X 3.1 =
72.974
300
78.29 + 6.75 =
86.04
300
65.4 - 22.6 =
42.8
300

Round 287.1586 to the thousandths place.

What is 287.159?

300
14.9 X 8 =
119.2
300
21.6 X .04 =
0.864
400
106.348 + 32.4 =
138.748
400
68.4 - 13.298 =
55.102
400

Round 56.999 to the tenths place.

What is 57.0?

400
19.82 X 12 =
237.84
400
42.86 X 1.4 =
60.004
500
When adding together decimals, you need to line these up.
What are the decimals?
500
When subtracting a number from nothing, you need to place this above the number before you can borrow.
What is a zero?
500

Round 1,432.89 to the hundreds place.

What is 1,400?

500

9.9 x 5.4=

What is 53.46?

500

109 x 5.6 =

What is 610.4?

M
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