Grade 6 Math

Grade 7 Math

Add & Subtract

Riddles

Math Vocab.

100

3:9

100

percent increase of 16 to 20.

25%

100

(-33) + 47 =

Answer: 14

100

Jack goes to the supermarket and buys 10 potatoes. Unfortunately, on the way back home, all but 9 get ruined. How many potatoes are left in a good condition?

Answer: 9

100

The number that remains after subtraction

Difference

200

9 Chocolate Cookies

200

What is 40% of 150

60

200

(-30) - (-82) =

Answer: 52

200

Which number stays the same no matter the number you multiply it with?

Answer: 0

200

What is the top number in a fraction?

Answer: Numerator

300

Jimmy took a total of 5 test last month in his math class, he scored the following grades on his test:

100, 97, 65, 100, 85

What is his total average in the class?

His total average is 89.4

300

A 3D shape with ONE base and triangle faces that meet together to form a point at the top.

Pyramid

300

42 - (-20) =

Answer: 62

300

Suzi has 3 mangoes and 2 pears in one hand and 2 mangoes and 4 pears in the other. How many pears and mangoes did Suzi have?

Answer: 5 mangoes and 6 pears

300

An approximate calculation

Answer: an estimate

400

Simplify the Expression.

10x-8x+2+10

2x+12

400

Solve 4+8÷2x3-1=

15

400

(-662) - 491=

Answer: -1,153

400

When I was 6, my sister was half my age. Now, I'm 70. How old is my sister?

**DOUBLE POINTS**

67 years old

400

Any natural number or its negative, or zero

Answer: Integer

500

(2-2) + 7

7

500

3^{2 }- 4 + 12(2+2)

53

500

(-7)- (-8)=

Answer 1

500

It is always in front of you but cannot be seen

The future

500

A number that has no factor but itself and 1

Answer: Prime

600

Solve the equation

2y + 3y =?

5y

600

Solve the equation to find the value of the variable.

f + 2.6 = 5.8

f = 3.2

600

(987)-(-403) =

Answer: -584

600

If you multiply 8 with any other number, the number will remain the same: What is the number we are talking about?

Answer: Zero

600

What is the answer to a division problem called?

Quotient

700

What is the Area of a rectangle if the width is 5, and the length is 9?

The area of the rectangle is 45

700

3/5 + 2/7

31/35

700

600 - (-927)=

Answer: 1,527

700

Riddles to Ponder

Can you figure out the answers to the riddles?

I happen once in a minute, Twice in a moment, But never in a thousand years

the letter M

700

A quantity obtained by the addition of a group of numbers

Answer: Sum

800

What is the value of the expression below when Y=8?

3y + 6y =

72

800

Hadley buys 7 boxes of markers with 8 in each box. Delaney buys 6 boxes of markers with 12 markers in each box. How many markers did Hadley and Delaney buy in all?

7 x 8 = 56

6 x 12 = 72

56 + 72 = 128

800

839+(-425) =

Answer: 414

800

It takes 10 men two months to dig a tunnel. How many days will it take 20 men to dig the same tunnel?

Answer: 0, the tunnel’s already dug!

800

A number that is combined with another number

Answer: Addend