Fact Families
3 + N = 9
N = 6
Which fraction is greater than 1
1/3 4/5 0/2 5/4 6/6
5/4
(6 * 6) +(2 * 2)
40
Each piece of candy costs 12 cents. If you buy 10 pieces of candy, how much did you spend?
Multiply
120 cents or $1.20
(2 * 2) ^2
16
N - 12 = 21
N = 9
What does 9/9 equal
1
(7 * 7) - (4 * 4)
33
If there are 24 pencils and 6 students, how many pencils will each student receives an equal amount of pencils.
Divide
4 pencils
11 + ? = 29
18
What is the opposite of 6 + 9 = 15
15 - 9 = 6
or
15 - 6 = 9
4/5 * 1/3
4/15
(5*5) + (8*8)
89
Each spider has eight legs. There were 12 spiders. How many legs are there?
Multiply
96 legs
9 = X/4
9/1 = X/4
9/1 (4/4) = 36/4
X = 36
7 * N = 42
N = 6
What does 35/7 equal?
5
(5+4)(3+6)
81
I have 23 pieces of candy, you have 12 pieces of candy. If we combine our candy and split it between 5 of us, how much do we each get?
Add
23 + 12 = 35
Divide
35/5 = 7
Order of Operation
acronym AND meanings
PEMDAS
Parenthesis, exponents, multiplication, division, addition, subtraction
What is the opposite of 4 * 8 = 32
32/8 = 4
or
32/4 = 8
4/5 % 1/5
reduce for double points
20/5 or 4 (double points)
(5*8)/4
reduce for double points
40/4 = 10 (double points)
I have 10% more students than Mrs. Charko. If she has 20 students, how many students are in my room?
10% = .10
20 * .1 = 2 more students
20 + 2 = 22 students in my room
5 bottles weigh 2 pounds. How many pounds do 15 bottles weigh?
5 bottles/2 pounds = 15 bottles/X pounds
5/2 (3/3) = 15/6 pounds
6 pounds