OPERATIONS
OPERATIONS 2.0
EQUATIONS
RIDDLES
GRADE 8/9 MATH
100

5 X 4 = ?

= 20

100

13 + 24 = ?

= 37
100

WHAT IS 37% IN DECIMALS?

= 0.37

100

IF YOU MULTIPLY THIS NUMBER BY ANY OTHER NUMBER, THE ANSWER WILL ALWAYS BE THE SAME. WHAT NUMBER IS THIS?

ZERO

100

WHAT IS THE SQUARE ROOT OF 25?

= 5

200

26 + 45 = ?

= 71

200

48 ÷ 6 = ?

= 8

200

REDUCE 14:2 TO LOWEST TERMS:

= 7:1

200

A LITTLE BOY GOES SHOPPING AND PURCHASES 12 TOMATOES. ON THE WAY HOME, ALL BUT 9 GET MUSHED AND RUINED. HOW MANY TOMATOES ARE LEFT IN A GOOD CONDITION?

NINE

200

WHAT IS THE SQUARE ROOT OF 49?

= 7

300

FIND THE VOLUME OF THE RECTANGLE:

L= 3CM

W= 2CM

H= 2CM

= 12CM

300

3.6 + 2.5 - 4.1 = ?

= 2

300

WHAT ARE 3 WAYS OF WRITING 0.5 AS FRACTIONS?

= 1/2, 2/4, 3/6, 4/8, 5/10........

300

IF IT TOOK 6 PEOPLE 9 HOURS TO BUILD A BARN, HOW MANY HOURS WOULD IT TAKE 12 PEOPLE TO BUILD THE SAME BARN?

ZERO, IT'S ALREADY BUILT ;)

300

NAME THE FIRST FIVE PRIME NUMBERS:

= 1, 2, 3, 5, 7

400

-5 + 9 - 12 = ?

= -8

400

FIND THE VOLUME OF THE RECTANGLE:

L= 5CM

W= 4CM

H= 7CM

= 140CM

400

WHAT IS X?

3X + 4 = 16

X = 4

400

A CELL PHONE AND PHONE CASE COST $110 IN TOTAL. THE CELL PHONE COSTS $100 MORE THAN THE PHONE CASE. HOW MUCH WAS THE CELL PHONE?

$105

400

LIST ALL THE FACTORS OF 36:

= 1, 2, 3, 4, 6, 9, 12, 18, 36

500

8 X 7 ÷ ( 7 - 3 ) = ?

= 14
500

( 4 + 2 ) ÷ 3 X ( 18 - 4 ) = ?

= 28
500

WHAT IS X?

X/2 + 5 = 9

X = 8

500

IF 66 = 2, 999 = 3, 8=2, 0=1, 9696=4, 8123=2, 98=3 and 88=4, THEN WHAT DOES 816982 EQUAL?

SIX, EACH CIRCLE IS EQUAL TO ONE

500

WHAT IS PI/0?

= UNDEFINED