Different Form
Rounding
+/- Decimals
Properties
Fractions as Decimals
100

What form is this?

785.25

Standard Form

100

What are the rules for rounding?

4 and below - round down

5 and above - round up

100

4.5 + 1.03

5.53

100

What property is this problem?

56.73 + (8 + 2) = (56.73 + 8) + 2

Associative Property

100

5/10

0.5

200

Write the number 74.32 in Word Form

seventy-four and thirty-two hundredths

200

Round to the whole number.

18.245

18

200

4.5 - 3.77

0.73

200

What property is this problem?

5.28 + 4.23 = 4.23 + 5.28

Commutative Property

200

48/100

0.48

300

Write 210,050.19 in the Powers of 10 form.

(2x100,000) + (1x10,000) + (5x10) + (1x 1/10) + (9x 1/100)

300

Round to the nearest tenths.

45.368

45.37

300

59.523 + 12.025

71.548

300

What is the number missing? What property is this problem?

26,184 + 1,546 = 1,546 + ?

? = 26,184

Commutative Property

300

7/1000

0.007

400

Write 12.045 in the word form and expanded form.

twelve and forty-five thousandths

10 +2 + 0.04 + 0.005

400
Round the nearest hundredth.

99.995

100.00

400

720.95 + 286.4

1,007.35

400

What property is this problem? Add the problem.

1.02 + (0.98 + 4.87) = (1.02 + 0.98) + 4.87

Associative Property

6.87

400

2 9/10

2.9

500

Write the word, standard, powers of ten forms.

3,000 + 500 + 20 + 1 + 0.4 + 0.08

3,521.48

three thousand five hundred twenty-one and forty-eight hundredths

(3x1000) + (5x100) + (2x10) + (1x1) + (4x 1/10) + (8x1/100)

500

A decimal number changed to 49.5 after it was rounded. Given a decimal number that is less than 49.5 and another that is greater than 49.5.

Less than 49.5 - (49.51) (49.52) (49.53) (49.54)

Greater than 49.5 - (49.45) (49.46) (49.47) (49.48) (49.49) 

500

35,000 - 4.1

34,995.9

500

What is the number missing? What property is this problem?

17.39 + 12.58 = 12.58 +?

? = 17.39

Commutative Property

500

989 58/100

989.58

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