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Addition or Subtraction With Units
Addition or Subtraction With Units
When adding and subtracting, units MUST match
Example 1:
Example 1:
24in + 87in
= 111 in
Example 2:
Example 2:
24in + 87kg
*Can't combine because inches and kilograms are different units*
Multiplication With Units
Multiplication With Units
When multiplying, combine the units. In other words, the units are "summed".
Example 1:
Example 1:
Example 2:
Example 2:
9cm x 2cm
= 18 cm2
Division With Units
Division With Units
When dividing, follow the rule "stay, change, flip".
*Don't forget to also flip the units*
Example 1:
Example 1:
Helpful Review of Fractions
Helpful Review of Fractions
Use these images for a short review of fractions
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