Subsets
Number line estimation
Simplifying square roots
Order of Operations
Word Problems
100

The subset for -4

Integer 

100

3+5

8

100

the square root of 81

9

100

20 (12-5) x 7 =

980

100

Taylor is selling hamburgers. Duncan buys twice as many as Trevor. Together they bought 120 hamburgers. How many did each person buy? 

Duncan Bought 80 and Taylor bought 40

200

The subset for 0

Irrational

200

3+(-5)

-2

200

the square root of 36

6

200

30 x 4 (24 + 5) - 15 + 9 =

3475

200

James is selling cows he has 220.  Evan buys twice as many as Richard. Together they bought 3/4 of cows.  How many cows did Evan Buy?

110 Cows

300

The subset for -1/4

Rational

300

-3+5

2

300

the square root of 9/16

3/4

300

321+-40-5 (45-8) x20=

116

300

Taylor and Emma are shopping for records. Taylor buys 2 times as many as Emma. All together they buy 90 records. How many records did Taylor buy?

60

400
The subset for -6

Integer

400

-3+(-5)

-8

400

the square root of 16

4

400

89143--23 (87+43) +-98=

891

400

Joe had 40 horses.  Bob and Terry bought 30 horses. Bob bought 70% and Terry bought the other 30%. How much did Bob buy?

21

500

The subset for 9

Natural 

500

-12+7

-5

500

the square root of 1/9

1/3

500

52+20 (-55+69) +79-99=

312

500

Alex and Marie both got candy from their parents. Marie had 126 pieces of candy, but Alex had 5 times more than Marie. How much candy does Alex have?

630