Mental math multiplication
mental math division
mental math addition
mental math subtraction
vocabulary
100

9x2

18

100

10÷5

2

100

5+6

11

100

9-4

5

100

 What is this symbol in math, -

Minus or subtraction

200

9x5

45

200

60÷4

15

200

24+36

60

200

26-9

17

200

What is this symbol in math, x

Times or multiplication

300

9x9

81

300

9÷2

4 with a remainder of 1

300

72+12

84

300

57-38

19

300

What does this symbol mean, ÷

Division or divide

400

6x18

108

400

100÷40

2 with a remainder of 20

400

167+678

845

400

786-489

297

400

what does this symbol mean after a number, 2

Squared or sqaure

500

46x8

368

500

168÷60

2 with a Remainder of 48

500

5,327+1,349

6,676

500

1,078-576

502

500

What is a right angle

A right angle is a 90 degree angle. For example a square is made of right angles.

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