Show:
Estimate
Word Problems and quick sketches
Mental Math
Add and subtract decimals
Values
100

86 + 17

110

100

Make a quick sketch to find the sum of 0.27 + 0.19

0.46

100

Use mental math to find 26 - 0.8 - 13.1

18.3

100

1.72 + 4 + 35.68

41.4

100

what is 956/1000 - 629/1000? Write your answer in decimal form.

0.327

200

64.9 + 17.5

83

200

make a quick sketch to find the difference 2.52 - 1.36

1.16

200

use mental math to find the sum of 9.1 + 4.57 + 8.03

21.7

200

9.28 - 5.4 - 2.75

1.13

200

what is 163/1,000 + 184/1,000? Write your answer as a decimal. 

347

300

13.47 + 9.82

3

300

You want to conduct an experiment. You need 0.5 of water and the same amount of oil. How many cups of liquid do you need for the experiment? 

1 cup

300

FREEEEEEEE POINTS :-)))))


"Ms. Dokken that's not fair!"

I. Don't. Care. 

300

2 + 18.6 - 7.9

12.7

300
which is greater


0.75 - 0.40 

or 

0.59 - (0.03 +.12)

0.59 - (0.03 +.12)

400

89.5 - 41.8

48

400

Descartes estimates a difference by rounding each number to the nearest whole number. His estimate is 6. Which problems could he have estimated ?

97.5 - 91.8

10.3 - 4.6

23.7 - 18.1

7.2 - 0.8


97.5 - 91.8

23.7 - 18.1

7.2 - 0.8

400

Use mental math to find 6.3 + 2.98 + 5.7

1.13

400

26 - .8 + 13.1

38.3

500

741.26 + 103.75

845

500

You launch an apple 112.55 feet. Your apple travels 27.62 feet shorter than your friends apple. How far does your friends apple travel? 

84.93

500

1.72 + 4 + 35.68

41.4

500

0.13 + 2.26 + 4.07

6.46