➖ or ➕
Mental Math
1+2+3+4+5+6+7+8+9+10 =
55
Mental Maths
After number 3, what is the next 5 prime numbers
5, 7, 11, 13, 17
Mental Maths
12 x 32
384
What do you call a group of fish?
school
Mental Maths
33-5-8=
20
Mental Maths
12+14+18-15+2=
31
What is the next number in this pattern?
1, 4, 9, _ ?
16
Mental Math
Find the sum of the square root of 9 and the square root of 25 =
8
What do you call a group of dolphins
pod
Mental Maths
3 x 19 - 7 + 8=
58
Mental Math
600 - 31 - 38=
531
Mental maths
41, 35, 29, _?
23
Mental Math
If Tom has 2 children and three sisters who are all married and each have 2 children, and they all attend John's birthday party. How many people will be at the party?
16
What do you call a group sheep?
flock
Jack and Jill each had 6 bananas, they ate two each and gave 1 to Anthony and his brother. How many bananas do they have left?
6
Mental Maths
52 + 28 - (39 /2 ) =
63.5
Mental Maths
1, 2, 4, 7, _?
11
Mental Math
What is the lowest number to have 4 factors?
6
What do you call a group of penguins?
colony
Mental Maths
12-13-4-5-90-5+12 =
1+2-3+4-5+6-7+8-9+10 =
7
Mental Maths
0, 3, 8, 15, _?
24
Mental Maths
-5089 + 3471 - 333 + 2
What do you call a group of porcupines?
prickle
Mental Maths
327.3-19521 =
-19193.7