Decimals +/-

adding decimals

100

What is 1.5 + 2.30

3.8 or 3.80

200

What is 14.09 + 6.1

20.19

300

What is 134.20 + 28.01

162.21

400

What is 111.91 + 22.85

134.76

500

What is 198.9 + 1.09 

199.99

subtracting decimals

100

4.7- 2.5

2.2

200

3.6-1.9

1.7

300

14.3-8.77

5.53

400

23.09-3.7

19.39

500

101.45-23.86

77.59

rounding to the tenths or hundredths

100

10.76 Round to the nearest tenths

10.8

200

4.63 Round to the nearest tenths

4.6 or 4.60

300

2.482 Round to the nearest hundredths

2.48 or 2.480

400

  2.825  Round to the nearest Hundredths

2.83

500

.0989 Round to the nearest hundredths 

.099 or .990 

round to the whole number

100

1.87

2

200

24.09

24

300

7.81

8

400

4.31

4

500

9.57

10

Word Problems

100

Esther won $10.50 to Seven-Eleven, and then she also won 8.39 to the ice cream store. How much money did she win all together? 

18.89

200

Naama wanted to buy a shirt for $30. Her grandmother gave her $12.49 to spend on the shirt. How much did Naama need to actually spend in the end (of her own money)?

$17.51 REMEMBER the unit sign- do not take off if someone forgot. Friendly reminder :) 

300

Tehilla went on a long walk for 6.10 miles. Then Atara went for a walk that was 4.9 miles long. What is the difference between the two walks? How much farther did Tehilla walk than Atara? 

1.2 miles more. REMEMBER UNIT SIGN. DO not take off points if someone forgot. 

400

Devorah ate 2.5 slices of Pizza. Alana ate 3 slices of pizza. How much pizza was eaten at lunch?

5.5. slices of pizza REMEMBER UNIT SIGN- do not take off points if someone forgot

500

Miri earned 127.08 for dog walking. Chevy earned 200.98 for dog walking. Atara earned 90.99 for dog walking. Who earned the most? Who earned the least? AND how much more is the greatest number than the least number? 

Chevy earned the most.

$109.99 is the difference. REMEMBER UNIT SIGN- do not take off is someone forgot.