Review Unit 4 test

Adding Decimals

1

.25+.25

.50

2

1.3+1.4

2.7

3

6.36+3.38

9.74

4

22.45+31.21

53.66

5

212.754+123.123

335.877

Subtracting Decimals

1

.5-.5

0

2

1.2-.8

.4

3

4.5-2.6

1.9

4

22.35-7.62

14.73

5

423.543-63.98

359.563

Coordinate Rules

1

What is the coordinates if you double the X axis

2,6

4,6

2

What is the coordinate if you triple the y-axis?

2,2

2,6

3

What is the coordinate if you double the x and y axis?

4,4

8,8

4

What is the coordinate pair if you divide the x axis by 3?

9,18

3,18

5

What is the coordinate pair if you double the x axis and divide the y axis by 4

2, 16

4,4

Rounding Decimals

1

Round to the nearest 1. 

.5

1

2

Round to the nearest whole number

2.72

3

3

Round to the nearest tenth

3.25

3.2

4

Round to the nearest hundredth.

2.435

2.44

5

Round to the nearest whole. 

7.543

8

Ordering Decimals

1

Order smallest to largest

4.3, 5.2, 1.2

1.2, 4.3, 5.2

2

Order from largest to smallest

5.2, 2.21, 6.432

6.432, 5.2, 2.21

3

Order from smallest to largest

8.987, 8.955, 5.212, 4.211

4.211, 5.212, 8.955, 8.987

4

Order from largest to smallest.

11.21, 10.65, 14.212, 98.2

98.2,14.212, 11.21, 10.65

5

Order from smallest to largest

567.21, 521.45, 566.321, 521.5

521.45,521.5, 566.321, 567.21