GRADE 7 MATHEMATICS (7.1) Number, operation, and quantitative reasoning. The student represents and uses rational numbers in a variety of equivalent forms. The student is expected to: (B) convert between fractions, decimals, whole numbers, and percents mentally, on paper, or with a calculator.
Problem #1: Today Johnnie completed 80% of his homework before he left school. Write the part of his homework completed before he left school as a fraction. Show your work. Write the part of his homework completed before he left school as a decimal. Show your work.
Problem #2:
3 of the students at Miller Junior High eat lunch in the school cafeteria. 5
Write the part of the students that eat lunch in the cafeteria as a percent. Show your work. Write the part of the students that eat lunch in the cafeteria as a decimal. Show your work.
1. What mathematical concepts and vocabulary do I need to know to be able to work these problems?
2. Will the Grade 7 Mathematics Formula Chart be helpful on these problems? Why or why not?
3. Will a picture or diagram be helpful on these problems? If so, how?
4. What problem-solving strategy or strategies will I use to help solve these problems?
5. Extension (7.3A): If his homework had 50 problems, how many of the problems does he still need to do to complete his assignment?
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