Addition
&
subtraction
Division
Multiplication
Ratios & percent
challenge questions
100

24 + 37=?

61

100

what is 6/2?

3

100

7 x 3=?

21

100

There are 4 red balls and 6 yellow balls. what is the ratio of red balls to yellow balls?

2:3

100

45 + 36 x 2

117

200

348 + 275=?

623

200

what is 10/2

5

200

4 x 6=?

84

200

What is 50% of 20?

10

200

120/6 + 15

35

300

445 + 117=?

562

300

what is 20/4?

5

300

12 x 8=?

96

300

what is 25% of 80?

10

300

250 - 75 x 2

100

400

5000 - 2759 =?

2241

400

what is 30/5?

6

400

18 x 8=?

144

400

a basket has 8 apples and 12 oranges, what is the ratio of apples to oranges?

2:3

400

A teacher has 48 pencils and gives them equally to 6 students. How many pencils does each student get?

8

500

7432 - 3895 =?

3,537

500

what is 250/5?

50

500

46 x 12=?

552

500

what is 75% of 40? 

30

500

The ratio of cats and dogs at the shelter is 2:3. If there are 10 cats, how many dogs are there?

15