Addition
Mental Math
50 + 50 + 10
110
Mental Maths
60 - 10
50
7 + 3
10
25 ÷ 5
5
Mental Math
100 + 900 =
1000
Metal Maths
649-349
300
10 + y = 24
y = 14
140 ÷ 10
Mental Maths
215 + 23
238
Mental Math
102 - 15
87
b - 12 = 30
42
100 ÷ 4
25
Mental Math
865 + 10
875
Mental Math
250-150
100
98 - a = 95
a = 3
150 ÷ 5
30
Mental Math
1048 + 200 =
1248
Mental Maths
562-100
462
42 - c = 25
c = 17
400 ÷ 5