➖ or ➕
Number patterns
Arithmetic
Surprise
Subtraction
100


1+2+3+4+5+6+7+8+9+10 = 

55

100


After number 3, what is the next 5 prime numbers

5, 7, 11, 13, 17

100


12 x 32

384

100

What year was I born in?

1988

100


33-5-8=

20

200


12+14+18-15+2= 

31

200

What is the next number in this pattern?

1, 4, 9, _ ?

16

200


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

8

200

What was Melbourne going to be called originally? 

Batmania

200


3 x 19 - 7 + 8=

58

300


600 - 31 - 38= 

531

300

What is the next number in this pattern?

41, 35, 29, _? 

23

300


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

300

What do you call a group sheep?

flock

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


52 + 28 - (39 /2 ) = 

63.5

400

What is the next number in this pattern?

1, 2, 4, 7, _?

11

400


What is the lowest number to have 4 factors?

6

400

Who is the principal? 

Mrs Lennon

400


12-13-4-5-90-5+12 = 

=-93

500

1+2-3+4-5+6-7+8-9+10 = 

7


500

What is the next number in this pattern?

0, 3, 8, 15, _?

24

500


-5089 + 3471 - 333 + 2

=-1949

500
What is the biggest organ in the body?

Skin!

500


327.3-19521 = 

-19193.7

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