Addition
Subtraction
Multiplication
Division
Algebra
100
9 + 1 =
10
100
10 - 5 =
5
100
3 x 3 = , 3 groups of 3 =
9
100
10 divided into 2 equal groups =
5
100
3 + x = 10, What is x?
7
200
14 + 3 =
17
200
20 - 8 =
12
200
1 x 6 = , 1 group of 6 =
6
200
9 divided into 3 equal groups =
3
200
10 - x = 4, What is x?
6
300
21 + 10 =
31
300
24 - 12 =
12
300
4 x 2 = , 4 groups of 2 =
8
300
12 divided into 4 equal groups =
3
300
12 + y = 20, What is y?
8
400
36 + 8 =
44
400
50 - 20 =
30
400
2 x 10 = , 2 groups of 10 =
20
400
20 divided into 5 equal groups =
4
400
18 - y = 12, What is y?
6
500
32 + 12 =
44
500
100 - 25 =
75
500
5 x 6 = , 5 groups of 6 =
30
500
30 divided into 6 equal groups =
5
500
3 x w = 6, What is w?
2