**ROCKLINE INDUSTRIES – Lesson Plans & Answer Key – What do canisters have to do with math? VIDEO**

**Common Core Mathematical Content Standards:**

**4.NBT.4**** **Fluently add and subtract multi-digit whole numbers using the standard algorithm.

**6.RP.3c** Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving find the whole, given a part and the percent.

**7.RP.3** Use proportional relationships to solve multistep ratio and percent problems. *Examples: simple interest, tax, markups and markdowns, percent increase and decrease, percent error.*

Grades 4, 6, 7

**Common Core Mathematical Practice Standards:**

- Make sense of problems and persevere in solving them.
- Reason abstractly and quantitatively.
- Model with mathematics.