Chapter 1 to 3

Rounding

100

Round 16 to the nearest 10

20

200

Round 124 to the nearest ten

120

300

Round 516 to the nearest hundred

500

400

Round 4,562 to the nearest ten

4,560

500

Round 499,934 to the nearest ten thousand

500,000

Place Value

100

Value of 9 in 97

90

200

Value of 6 in 436

6

300

Value of 3 in 3,567

3,000

400

Value of 6 in 367,890

60,000

500

Value of 1 in 1,782,937

1,000,000

Number Forms

100

3,457 in expanded form

(3x10³) + (4x10²) + (5x10) + 7

200

4.36 in expanded form

(4x1) + (3 x 0.1) + (6 x 0.01)

300

Two and twenty-three hundredths

2.23

400

Fifty and six hundred twenty-seven thousandths

50.627

500

Sixty-four thousand, two hundred twenty and four-five thousandths in standard form

64,220.045

Order of Operations

100

(16+8) -15

9

200

(45/9) + (18/6)

8

300

[(14-7) + 12] -15

4

400

{[120 - (10 x 2)] -35} +12

77

500

9 x {12 + [10 + (18/3)]} -5

247

Decimals

100

4.7 + 6.5

11.2

200

Estimate 6.56 + 4.67 to the nearest whole number

7 + 5 = 12

300

4.65 + 7.3

11.95

400

11.26 - 5.67

5.59

500

10,876.67 - 45.897

10,830.773