1
Current Operations
Multiply by .25
Inverse Operations
Divide by .25
2
2
𝑜𝑓 𝑡ℎ𝑒 𝑏𝑙𝑜𝑐𝑘𝑠
3
2
× 𝑏𝑙𝑜𝑐𝑘𝑠
3
2
× 12
3
2 12
×
3
1
2 12 24
×
=
3
1
3
24
=8
3
3
3
𝑜𝑓 𝑡ℎ𝑒 𝑎𝑐𝑟𝑒𝑠
4
3
× 12
4
3 12 36
×
=
4
1
4
2
𝑜𝑓 𝑐𝑜𝑟𝑛 𝑎𝑐𝑟𝑒𝑠
3
2
×9
3
2 9 18
× =
3 1
3
4
𝑟𝑎𝑖𝑠𝑖𝑛𝑠 ÷ 𝑏𝑎𝑔𝑠
1
÷4
2
1 4
÷
2 1
1 1 1
× =
2 4 8
5
Current Operations
Add 24.5
Divide by 5
Inverse Operations
Subtract 24.5
Multiply by 5
6
4ℎ + 32 = 60
−32 −32
4ℎ = 28
4
4
ℎ=7
7
Current Operations
Add 4
Multiply by 3
Inverse Operations
Subtract 4
Divide by 3
8
4𝑏 + 12 = 56
−12 −12
4𝑏 = 44
4
4
𝑏 = 11
4𝑏 + 12 = 56
4
4
4
𝑏 + 3 = 14
−12 −12
𝑏−9=2
9
6 = 2𝑛
2 2
3=𝑛
10
𝑛−4=2
+4 +4
𝑛=6
11
3𝑛 = −6
3
3
𝑛 = −2