Integers
(-3) - (+5)
(-8)
What does BEDMAS stand for?
Brackets, Exponents, Division, Multiplication, Addition, Subtraction
5h+3=28
h = 5
0.20 + 0.04
0.24
If you grated 2/3 of a block of cheese to make macaroni. What fraction of the block is left?
1/3
What is an integer?
An integer is a whole number with a positive or negative sign. The number is the distance from zero and the -/+ is if it comes before or after 0!
(6-5) + 12
13
What is a variable
6/9 + 2/3
12/9 or 1 3/9
What is a zero pair?
Two opposite numbers whose sum is equal to zero!
(8-5)+ (3 x 4)
15
a=3 b=5 c=2 d=10
(b+d)/a
5
Bob paid $27.26 at a restaurant. He left a 10% tip. How much did it cost if you add the tip to the cost?
29.99
Which is greater- l-1l or (1)
They are both equal
this is because two vertical bars next to an integer represent absolute value, meaning l-1l becomes 1
(3 x 4) divided by (7+9-10)
the answer is 2
Jenna worked at a Dollarama for x hours. Each hour you work, you get $7. If she earns $42 a day, how many hours does she work for?
x = 6 hours
(-13) + (+4) - (+72) + (-6) - (-444) + (1999)
2356
12.376 divided by (4.75+1.2) + 2.45 x 0.2 - 1.84
0.73
92h + 3= 371
h= 4