P7 Mental Maths

Addition

100

21+100

121

200

221+100

321

300

3214+2342

5556

400

28971+2386

31357

500

12874.42+1927.23

14774.65

Subtraction

100

100-13

87

200

463-123

340

300

2387-1243

1144

400

5968-2485

3483

500

3248-4321

-1073

Multiplication

100

7x6

42

200

9x8

72

300

5x120

600

400

13x123

1599

500

43x20

860

Division

100

10÷5

2

200

81÷9

9

300

100÷10

10

400

235÷10

23.5

500

12456÷100

124.56

Miscellaneous

100

What type of dog does Miss Douglas own? 

Golden retriever (Bonnie)

200

What is a prime number?

A number bigger than 1 that can only be divided by itself or 1. 

300

Name the column that comes after (to the right of) the decimal point

Tenths

400

How many hours a week do you spend in school? 

30 hours

500

What is Miss Douglas' date of birth?

12th December 1998