Maths Battle I

➖ or ➕

100

Mental Math

1+2+3+4+5+6 = 

21

200

Mental Maths

2+4+6+8+10 =

30

300

Mental Math

600 - 31 = 

569

400

Mental Maths

100-52-28 = 

20

500

1+2-3+4-5+6-7+8-9+10 = 

7

Number patterns

100

Mental Maths

Is 5 a prime number ?

Yes

200

Mental Maths

What is the next number in this pattern?

2, 4, 8 ,___ ?

16

the number doubles 

300

Mental maths

41, 35, 29, _? 

23

the number lowers by 6

400

What comes next?

48, 36, 24, 12, ___

0

the numbers drop by 12 

500

What comes next?

2, 3, 5, 9, __?

17

double then minus 1

Addition

100

Mental Maths 

14 + 32

46

200

Mental Math

10 + 20 + 10 + 20 + 10 + 20 =

90

300

In the pie eating competition Kena ate 1 1/2 pies 

Juree ate 3 more pies than Kena.

Katara ate double the amount that Juree ate 

How many pies did Katara eat?

9

400

What is eight more than the double of nine

26

500

Mental Maths

-70 + 34

-36

Multiplication/Division

100

9x3=

27

200

30/5 =

6

300

7x7=

49

400

55/5=

11

500

12/2=

6

Subtraction

100

Mental Maths

28-9=

19

200

Mental Maths

13 less than 25

12

300

At the shop Andy bought a pie for $5 and 2 apples for $1.50 each 

Andy pays with a $20 bill.

How much change does Andy get?

$5 + (2 x $1.50)

$5 + $3 = $8

$20 - $8 = $12

400

Mental Maths

12-13-4-5 = 

-10

500

Mental Maths

427-298 = 

129