Decimals - Add, Subtract, Compare

Adding Decimals

100

1.23 + 3.21

4.44

200

1.03 + 3.68

4.71

300

5.12 + 6.58

11.6

400

12.78 + 10.46

23.24

500

15.3 + 11.76

27.06

Subtracting Decimals

100

2.22-1.21

1.01

200

5.43 - 2.33

3.1

300

6.23 - 4.62

1.61

400

8.32 - 5.85

2.57

500

10.32 - 8.9

1.42

Place Value

100

Which number is in the thousandths place in 2,567.981?

1

200

Which 2 has a greater value in 301.202?

2 tenths or 2/10 is greater than 2 thousandths 2/1000

300

How many times greater is 1 than 0.01?

100 times greater

0.01 x 100 = 1

1/100 x 100 = 1

400

How many times smaller is 0.005 than 0.5?

100 times

0.005 x 100 = 0.5

500

In 5,000.5 How many times greater is the 5 in the thousands place than the 5 in the tenths place?

10,000 times greater

.5 x 10,000 = 5,000

Comparing Decimals

100

1.23 ----- 1.24

1.23 < 1.24

200

32.06 ----- 23.66

32.06 > 23.66

300

4.54 ----- 4.45

4.54 > 4.45

400

12.356 ----- 12.376

12.356 < 12.376

500

13.131 ----- 12.141

13.131 > 12.141