Topic 1

Expanded Form

100

2374

(2x1000) + (3x100) + (7x10) + (4x1)

200

(5x1000) + (7x100) + (8x1)

5708

300

673.3

(6x100)+ (7x10) + (3x1) + (3x0.1)

400

0.709

(7x0.1) + (9x0.001)

500

DOUBLE JEOPARDY

(5x10) + (8x1) + (2x0.01) + (6x0.001)

58.026

Decimal as Fraction

100

0.467

467/1000

200

0.009

9/1000

300

0.067

67/1000

400

0.8

8/10

500

0.89

89/100

Fraction as Decimal

100

88/100

0.88

200

DOUBLE JEOPARDY

5/1000

0.005

300

78/1000

0.078

400

9/100

0.09

500

3/10

0.3

Rounding

100

Round to the nearest WHOLE number: 778.9

779

200

Round to the nearest TENTH: 324.678

324.7

300

Round to the nearest HUNDRETH: 32.483

32.48

400

Round to the nearest TENTH: 67.892

67.9

500

Round to the nearest WHOLE NUMBER: 3245.837

3246

Comparing

100

Compare: 43.89 ___ 43.089

43.89 > 43.089

200

Compare: 32.322 __ 32.233

32.322 > 32.233

300

Compare: 0.432 ___ 0.482

0.432 < 0.482

400

Compare: 32.9 ___ 32.9000

32.9 = 32.9000

500

Order from LEAST to GREATEST:

8.78, 8.078. 8.87, 8.087

8.078, 8.087, 8.78, 8.87