Mixed Math
percent increase of 16 to 20.
25%
(-33) + 47 =
Answer: 14
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
The number that remains after subtraction
Difference
What is 40% of 150
60
(-30) - (-82) =
Answer: 52
Which number stays the same no matter the number you multiply it with?
Answer: 0
Answer: Numerator
A 3D shape with ONE base and triangle faces that meet together to form a point at the top.
Pyramid
42 - (-20) =
Answer: 62
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
An approximate calculation
Answer: an estimate
Solve 4+8÷2x3-1=
15
(-662) - 491=
Answer: -1,153
When I was 6, my sister was half my age. Now, I'm 70. How old is my sister?
**DOUBLE POINTS**
67 years old
Any natural number or its negative, or zero
Answer: Integer
32 - 4 + 12(2+2)
53
(-7)- (-8)=
Answer 1
It is always in front of you but cannot be seen
The future
A number that has no factor but itself and 1
Answer: Prime
Solve the equation to find the value of the variable.
f + 2.6 = 5.8
f = 3.2
(987)-(-403) =
Answer: -584
If you multiply 8 with any other number, the number will remain the same: What is the number we are talking about?
Answer: Zero
What is the answer to a division problem called?
Quotient
3/5 + 2/7
31/35
600 - (-927)=
Answer: 1,527
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
A quantity obtained by the addition of a group of numbers
Answer: Sum
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
839+(-425) =
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!
A number that is combined with another number
Answer: Addend