Adding Decimals
Subtracting Decimals
Expanded Form
Rounding
Vocabulary
100
Add the decimals:
8.10 + 9.10
17.20
100
Subtract the decimals:
8.5 - 7.4
1.1
100
What is 3.4 in expanded form
(3x1) + (4 x 1/10)
100
Round 4.6 to the nearest whole number.
5
100
What is the first number to the right of the decimal point called?
Tenth.
200
Add the decimals:
0.041 + 9.300
9.341
200
Subtract the decimals:
5.80 - 0.76
5.04
200
12.56 in expanded form
(1x10) + (2x1) + (5x 1/10) + (6x 1/100)
200
Round 12.47 to the nearest tenth.
12.5
200
The second number to the right of the decimal point.
Hundredths.
300
Add the decimals:
3.546 + 8.514
12.060
300
Subtract the decimals:
0.760 - 0.068
0.692
300
Write 405.307 in expanded form.
(4x100) + (5x1)+ (3x1/10) +(7x 1/100)
300
Round 8.963 to the nearest hundredth.
8.96
300
What is the third number to the right of the decimal point called?
Thousandths
400
Add the decimals:
2.80 + 0.13
2.93
400
Subtract the decimals:
9.8 - 2.6
7.2
400
Write 6.089 in expanded form.
(6x1) + (8x1/100) + (9x1000)
400
Round 0.0589 to the nearest thousandth.
0.059?
400
How do you write this decimal in words?
34.79
Thirty four and seventy nine hundredths.
500
Add the decimals:
72.90 + 6.586
79.486
500
Subtract the decimals:
3.90 - 0.097
3.803
500
Write 1,204.025 in expanded form.
(1x1000) + (2x100) + (4x1) + (2x1/100) + (5x1/1000)
500
Round 5,249.6782 to the nearest whole number.
5,250
500
What is the answer called when multiplying two decimals?
Product