Maths Battle

➖ or ➕

100

Mental Math

1+2+3+4+5+6+7+8+9+10 = 

55

200

Mental Maths

12+14+18-15+2= 

31

300

Mental Math

600 - 31 - 38= 

531

400

Mental Maths

52 + 28 - (39 /2 ) = 

63.5

500

1+2-3+4-5+6-7+8-9+10 = 

7

Number patterns

100

Mental Maths

After number 3, what is the next 5 prime numbers

5, 7, 11, 13, 17

200

What is the next number in this pattern?

1, 4, 9, _ ?

16

300

Mental maths

41, 35, 29, _? 

23

400

Mental Maths

1, 2, 4, 7, _?

11

500

Mental Maths

0, 3, 8, 15, _?

24

Addition

100

Mental Maths 

12 x 32

384

200

Mental Math

Find the sum of the square root of 9 and the square root of 25 = 

8

300

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

400

Mental Math

What is the lowest number to have 4 factors?

6

500

Mental Maths

-5089 + 3471 - 333 + 2

=-1949

Groups of animals

100

What do you call a group of fish?

school

200

What do you call a group of dolphins

pod

300

What do you call a group sheep?

flock

400

What do you call a group of penguins?

colony

500

What do you call a group of porcupines?

prickle

Subtraction

100

Mental Maths

33-5-8=

20

200

Mental Maths

3 x 19 - 7 + 8=

58

300

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

400

Mental Maths

12-13-4-5-90-5+12 = 

=-93

500

Mental Maths

327.3-19521 = 

-19193.7