x - 3 = 5
x = 8
4 + 2 =
14 - 4 =
7 × 3 =
16 ÷ 2 =
4 + 2 = 6
14 - 4 = 10
7 × 3 = 21
16 ÷ 2 = 8
Find the Greatest Common Factor:
5, 10
5
What time is it right now?
Find x:
5 ÷ x = 2
x + 7 = 21
x = 14
8 + (-3) =
13 - 9 =
5 × 8 =
45 ÷ 9 =
8 + (-3) = 5
13 - 9 = 4
5 × 8 = 40
45 ÷ 9 = 5
Find the Greatest Common Factor:
4, 6
2
You found...
Free 200 points!
23 = 2 × 2 × 2 = 8
73 = ?
343
8x = -32
x = -4
(-8) + 20 =
-13 - 3 =
6 × 6 =
-56 ÷ 8 =
(-8) + 20 = 12
-13 - 3 = -16
6 × 6 = 36
-56 ÷ 8 = -7
Find the Greatest Common Factor:
9, 21
3
6 + (-4) = 2
(-4) + 6 = 2
This is an example of the commutative property. What is the commutative property?
The commutative property means that you can swap the two numbers in an addition or multiplication problem and still get the same answer
You found...
Free 300 points!
x ÷ 12 = 5
x = 60
-19 + (-15) =
8 - (-9) =
-9 × -9 =
120 ÷ -10 =
-19 + (-15) = -34
8 - (-9) = 17
-9 × -9 = 81
120 ÷ -10 = -12
Find the Greatest Common Factor:
18, 24
6
What do you call a shape with 5 sides?
Pentagon
Factor: 45x2y - 90xy2
45xy(x - 2y)
2x + 5 = 11
x = 3
-15 + 24 =
-7 - (-5) =
-14 × 3 =
121 ÷ 11 =
-15 + 24 = 9
-7 - (-5) = -2
-14 × 3 = -42
121 ÷ 11 = 11
Find the Greatest Common Factor:
12x, 32xy
52 = 25
(-5)2 = ?
25
1 + 2 + 3 + 4 + 5 + ... + 98 + 99 + 100 = ?
5050