Subtract or Add
Mental Maths
1 + 2 + 3 + 4 + 5 =
15
Mental Maths
15, 17, 19, __?
21
Mental Maths
12 + 32
44
I have $5.00. I spend $2.50. How much change do I get?
$2.50
Mental Maths
33 - 5 - 8 =
20
Mental Maths
2 + 4 + 6 + 8 + 10 =
30
Mental Maths
1, 4, 9, __ ?
16
Mental Maths
Find the sum of 81 divided by 9 and 45 divided by 5.
18
I have $5.00. I spend $1.75. How much change do I get?
$3.25
Mental Maths
50 subtract 13 =
37
Mental Maths
52 - 28 =
24
Mental Maths
1, 2, 4, 7, __?
11
Mental Maths
What is the smallest positive number to have 4 factors?
6
I have $10. I spend $3.75. How much change do I get?
$6.25
Mental Maths
50 - 15 - 10 + 6 =
31
Mental Maths
600 - 31 =
569
Mental Maths
41, 35, 29, __?
23
Mental Maths
John is married and has 2 children. He also has three sisters who are also all married and they each have 2 children. They all attend John's birthday party. How many people will be at the party?
16
I have $10. I spend $2.15. How much change do i get?
$7.85
Jack and Jill each had 6 bananas. They ate two each and gave one to Anthony and one to his brother. How many bananas do they have left?
6
1 + 2 - 3 + 4 - 5 + 6 - 7 + 8 - 9 + 10 =
7
Mental Maths
0, 3, 8, 15, __?
24
Mental Maths
56 + 49
105
I have $50. I spend $14.60. How much change do I get?
$35.40
Mental Maths
327 - 195 =
132