Grade 6 Math
Grade 7 Math
Add & Subtract
Riddles
Math Vocab.
Combining Like Terms
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 good condition?
*****Double Points******
Answer: 9
*****Double Points******
100
The number that remains after subtraction
Difference
100
8π₯ + 3 β 2π₯
6x + 3
200
*****Double Points******
9 Chocolate Cookies
*****Double Points******
200
What is 40% of 150
*****Double Points******
60
*****Double Points******
200
(-30) - (-82) =
Answer: 52
200
What has a face and two hands, but no arms or legs?
Answer: A clock
200
What is the top number in a fraction?
Answer: Numerator
200
β15 + π = β9
n = 6
300
Jimmy took a total of 5 tests last month in his math class; he scored the following grades on his tests:
100, 97, 65, 100, 85
What is his total average in the class?
*****Double Points******
His total average is 89.4
*****Double Points******
300
48β3b=12+6b
*******Double Points*******
b=4
******Double Points******
300
42 - (-20) =
Answer: 62
300
Amanda has 3 mangoes and 2 pears in one hand and 2 mangoes and 4 pears in the other. How many pears and mangoes did Amanda have?
Answer: 5 mangoes and 6 pears
300
An approximate calculation
Answer: an estimate
300
8π₯ + 3 β 2π₯ = 4 + 3π₯ + 8
x = 3
400
Simplify the Expression.
10x-8x+2+10
*****Double Points******
2x+12
*****Double Points******
400
Solve 4+8Γ·2x3-1=
15
400
(-662) - 491=
Answer: -1,153
400
A father is 30 years older than his son. In 5 years, he will be 3 times as old as his son. How old is the son now?
**DOUBLE POINTS**
Answer: 10
*****Double Points******
400
Any natural number or its negative, or zero
*****Double Points******
Answer: Integer
*****Double Points******
400
23 β 2π = 3π β 10 β 4π + 9
p=-24
500
(2-2) + 7
7
500
32 - 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
*****Double Points******
Answer: Prime
*****Double Points******
500
4π¦ β 2 + 6π¦ + 2 = 3π¦ β 49
y = -7
600
Simplify the Expression
4(2b+2)-3
*****Double Points******
8b+5
*****Double Points******
600
Solve the equation to find the value of the variable.
f + 2.6 = 5.8
f = 3.2
600
(987)-(-403) =
Answer: 1390
600
I have keys but no locks. I have space but no room. You can enter, but you canβt go outside. What am I?
******Double Points******
Answer: A keyboard
******Double Points******
600
What is the answer to a division problem called?
*****Double Points******
Quotient
*****Double Points******
600
*****Double Points******
*****Double Points******
700
What is the area of a rectangle if the width is 5 and the length is 9?
*****Double Points******
The area of the rectangle is 45
*****Double Points******
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 come one 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
700
2π + 18 = 12 β 6π β 42
d = -6
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?
*****Double Points******
Answer: 0, the tunnelβs already dug!
*****Double Points******
800
What is a 3D shape with ONE base and triangular faces that meet together to form a point at the top?
******Double Points******
Pyramid
******Double Points******
800
r = -24