Lesson 6.46.4 Small Group · Group 1
Group 1 · Set BSecond form · new problems, same idea
Learning target With my small group, I can write numerical expressions from a real situation and evaluate them using the order of operations, including powers — one step at a time, with support.
Remember6.4 Small Group · Group 1
To evaluate an expression, do grouping symbols first, then powers, then multiply and divide, then add and subtract, left to right. Write one expression for the whole situation. Then evaluate it in order: powers, then multiply, then add.
Words: Numerical expression (Expresión numérica)Evaluate (Evaluar)Order of operations (Orden de las operaciones)Power (Potencia)Base (Base)
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1Complete each step, then write the final answer.
A family buys 3 adult tickets at $10 each and 2 child tickets at 2² dollars each. What is the total cost in dollars?
Show your workHint Write 3 × 10 + 2 × 2². Find 2² first. Then multiply. Add last.
Final answer: -
2Complete each step, then write the final answer.
Evaluate 10 + 3 × 4².
Show your workHint Power first, then multiply, then add.
Final answer: -
3Complete each step, then write the final answer.
A garden has 2 square beds. Each bed is 6 feet long on each side, so its area is 6² square feet. A path covers 10 square feet. What is the total area?
Show your workHint Write 2 × 6² + 10. Find the power first.
Final answer: -
4Complete each step, then write the final answer.
Evaluate (2 + 3)² − 4 × 5.
Show your workHint Work inside the parentheses first. Then find the power.
Final answer:
Explain your thinkingKim added first and got 175. Why must you find the power and multiply before you add?
Sentence starter First I find ___ because ___. · Kim's answer is wrong because ___.