Estimating
Expanded Form
Comparing Decimals
Rounding Decimals
Adding/Subtracting
100

12.3 + 8.241 =

12 + 8 = 20

100

Write the decimal in expanded form. 1.89

(1 x 1)+(8 x 0.1)+(9x0.01)

100

Fill in the blank with <, >, or =. 89.01____89.001

>

100

Round 43.83 to the nearest tenth.

43.8

100

3.91 + 8.24=

12.15

200

9.563 + 3.023

10 + 3 = 13

200

Write the number in expanded form. 45.03

(4 x 10)+ (5 x 1)+(3 x 0.01)

200
Fill in the blank with <,>, or =. 45.02 _____ 44.9
>
200
Round 67.345 to the nearest hundredth.
67.350
200

44.31 - 12.87= 

31.44

300

34.947 - 14.21

35 - 14 = 21

300

Write the decimal in word form. 45.89

Forty Five and Eighty Nine Hundredths

300
What place value are you comparing when looking at the following decimals. 34.90 and 34.93
hundredths place
300
After rounding 45.834, the answer is 45.8. What place value was 45.834 rounded to?
tenths place
300

348.58 + 21.536

370.116

400

1881.6 - 782.7

1880 - 780 = 1100

400

Write the decimal in standard form. (9 x 1,000)+(8 x 1)+(1 x 0.001)

9,008.001

400
Compare the two decimals using <,>, or =. 0.09____ 0.090
=
400
After rounding 24.89, the answer is 25. What place value was 24.89 rounded to.
Ones/whole number
400

8.423 - 2.748

5.675

500

46.78 - 18.55

47 - 19 = 28

500

Write the decimal in standard form. two-thousand, five hundred fifty-four and two thousandths

2,554.002

500
Compare the decimals using <,> or =. 8,903.001 _____ 8,930.001
<
500
Round 34.98 to the nearest tenths place.
35
500

8,005.21 - 234.92

7770.29

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