7.3.B MA.7.NSO.2.1 7.4.D

Problem Solving with Rational Numbers 7th Grade

Texas Essential Knowledge and Skills (TEKS): 7.3.B
apply and extend previous understandings of operations to solve problems using addition, subtraction, multiplication, and division of rational numbers.
Texas Essential Knowledge and Skills (TEKS): 7.4.D
solve problems involving ratios, rates, and percents, including multi-step problems involving percent increase and percent decrease, and financial literacy problems; and
Florida - Benchmarks for Excellent Student Thinking: MA.7.NSO.2.1
Solve mathematical problems using multi-step order of operations with rational numbers including grouping symbols, whole-number exponents and absolute value.

MULTI-STEP PROBLEMS

Solving multi-step problems involves correctly choosing and applying operations.
Sometimes, working with different number forms is also part of problem solving.

She paid

\frac{1}{3}

with a gift card and put the rest on a credit card.
So,

\frac{2}{3}

of the total was put on the credit card.

\frac{2}{3}

× $351 = $234

\frac{2}{5}

× 25.5 grams = 10.2 grams

Problem Solving with Rational Numbers

Texas Essential Knowledge and Skills (TEKS): 7.3.B

apply and extend previous understandings of operations to solve problems using addition, subtraction, multiplication, and division of rational numbers.

Texas Essential Knowledge and Skills (TEKS): 7.4.D

solve problems involving ratios, rates, and percents, including multi-step problems involving percent increase and percent decrease, and financial literacy problems; and

Florida - Benchmarks for Excellent Student Thinking: MA.7.NSO.2.1

Solve mathematical problems using multi-step order of operations with rational numbers including grouping symbols, whole-number exponents and absolute value.

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