Vocabulary
What is a variable?
a letter that represents a numerical value. It's value changes.
N + 13 = 76
What does N equal?
N- 13= 34
What does N equal?
N= 47
6 x N = 18
What does N equal?
N=3
24/4=N
What does N equal?
N=6
What is an equation?
A statement in math that has an equal sign.m
45 + 6 + N = 61
What does N equal?
N=10
89- N= 67
What does N equal?
N= 22
N x 5= 80
What does N equal?
N/ 8= 10
What does N equal?
N= 80
What is an expression?
N + 46 = 118
What does N equal?
N= 72
78- N- 8 = 52
What does N equal?
N= 18
6n= 36
What does N equal?
N= 6
120/N= 60
What does N equal?
N=2
What does BEDMAS stand for?
Brackets, Exponents, Division, Multiplication, Addition, Subtraction.
Alex and Ryan had 37 points together in a basketball game. Ryan had 21 points.
Write an equation that will tell us how many points Alex had?
a + 21 = 37
21 + a = 37
Harry bought 24 donuts. Him and a friend ate 9 of them. Write and equation that will tell us how many donuts there are left?
24 - 9 = d
24 - d = 9
A box of cookies has 12 cookies in it. Ryan needs 132 cookies for his school. Write an equation that will tell him how many boxes (b) he needs?
12 x b = 132
b x 12 = 132
Katie is having 25 friends over for a big party. She wants to have 2 treats for each friend. Write an equation that shows how many treats in total (t) she will need?
25 ÷ 2 = t
BONUS: not on test
What are monomials?
A mathematical expression with only one term.
Tim drove 138km to get to work. Then he drove to the store. When he got to the store, he had driven 195 km in total. How many km did he drive to the store (s)?
s= 57
Tim drove 57km to the store.
Serena found 124 Easter eggs during her Easter egg hunt. She gave some to her friends and now she had 29 eggs left. How many did she give (g) away?
g= 95
Charles picked 12 apples (a) from each row of apple trees. He picked 60 apples in total (t). How many apples did he pick in each row (r)?
r=5
Charles picked 5 apples in each row.
Mr. Cross teaches 4 subjects (s) for 160 minutes total (t). If he teaches the 4 subjects equally, how many minutes (m) will he teach each subject?
He will teach each subject for 40 minutes.
160/ s= M