Solving
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
What kind of graph is used to show changes over time?
A line graph.
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
A number that has no factor but itself and 1
Answer: Prime
3/5 + 2/7
31/35
How do you know if something's divisible by 12?
It's also divisible by both 3 and 4.
Which number stays the same no matter the number you multiply it with?
Answer: 0
Answer: Numerator
(-662) - 491=
Answer: -1,153
A 3D shape with one 10-sided base and triangle faces that meet together to form a point at the top.
A decagonal pyramid
What can you put in a bucket to make it weigh less?
A hole.
An approximate calculation
Answer: an estimate
Solve 4+8÷2x3-1=
15
What are 4, 9, 16, 25, 36 etc?
Perfect squares.
When I was 6, my sister was half my age. Now, I'm 70. How old is my sister?
67 years old
Any natural number or its negative, or zero
Answer: Integer
32 - 4 + 12(2+2)
53
What's the algebraic pattern rule?
3, 5, 7, 9, 11, 13...
y=1+2x
It is always in front of you but cannot be seen
The future
The number that remains after subtraction
Difference
percent increase of 16 to 20.
25%
What's the value of this ordered pair if it's reflected across y=x?
(-12, 6)
(6, -12)
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
Solve the equation to find the value of the variable.
f + 2.6 = 5.8
f = 3.2
What is the value of pi to the 6th decimal?
3.141592
Where's the only place today comes before yesterday?
Answer: The dictionary.
What is the answer to a division problem called?
Quotient
What is 40% of 150
60
What does pi represent?
The relationship between the circumference and diameter of any circle.
What has 13 hearts, but no other organs?
Answer: a deck of cards.
What do you call any number that can be represented as a fraction?
Answer: A rational number.