Multiplication
10x10
100
I am an odd number. If you subtract 10 from me, you get 15. What number am I?
25
25-10=15
10/10
1
2 squared
4
What is the perimeter of a circle called?
The circumference
200x2
400
I am thinking of a number. If you double it and then add 10, the result is 50. What number am I thinking of?
20
2x20=40+10=50
12/3
4
4 squared
16
Are all sides equal in an isosceles triangle?
No, only to are equal.
300x3
900
A family has five sons, and each of them has a sister. How many kids does the family have in total?
six
The family has six kids--the five sons have one common sister.
63/9
7
6 squared
36
What is five squared?
25
40x44
1760
If a shirt costs $20 more than a hat, and the combined cost of both the shirt and the hat is $50, how much does the hat cost?
$15
Shirt: $35
Hat: $15
100/2
50
9 squared
81
What does the Roman numeral X equal?
10
100x32
3200
There are four oranges, and you take three. How many do you have?
You will have three oranges.
64/8
8
10 squared
100
What is the top number of a fraction called?
numerator