Integers
-5 + -3
-8
What is 9/10 as a decimal?
0.9
A letter used to replace an unknown number is called a ______.
variable
Solve for x
x + 3 = 7
x = 4
5
What is 3/25 as a decimal?
0.12
Solve if a=4 and b= 12 and c=3
b - a + c
11
Solve for b.
2b = 18
b = 9
18 - -3
21
What is 0.4 as a decimal IN SIMPLEST TERMS?
2/5
87, 94, 101, ...
+7
108, 115, 122
Solve for x.
-3x = -9
x = 3
-12 x -4
48
Add the fractions:
2/3 + 1/6
5/6
Solve if a= -4 and b=9
3a + 9
-3
x - 9 = -12
-3
8 x -3 + -5
-29
Multiply the fractions and simplify:
4/15 x 3/4
1/5
Simplify by combining like terms:
3x - 2 + 9x + 7y - 4y
12x + 3y -2
b/5 = -20
-100