Practice Problems — Set 18

5.OA.A.1 · Use parentheses, brackets, or braces in numerical expressions, and ev…

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Talk through today's focus: Use parentheses, brackets, or braces in numerical expressions, and ev… 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.

_See printable PDF for diagram._

Written practice

1. 9 + 8 = ___ 2. 17 − 8 = ___ 3. Draw a picture for 9 + 8. Write the equation. 4. Story: 9 birds and 8 more land. How many now? ___ 5. Story: 17 cookies, eat 8. How many left? ___ 6. Write an equation for your drawing: ___ + ___ = ___ 7. Explain your thinking for set 18 in one sentence. 8. Create your own problem for 5.OA.A.1.

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More written practice

1. Apply Use parentheses, brackets, or braces in numerical expressions, and ev… (item 9, set 18): show your work. ___ 2. Apply Use parentheses, brackets, or braces in numerical expressions, and ev… (item 10, set 18): show your work. ___ 3. Apply Use parentheses, brackets, or braces in numerical expressions, and ev… (item 11, set 18): show your work. ___ 4. Apply Use parentheses, brackets, or braces in numerical expressions, and ev… (item 12, set 18): show your work. ___ 5. Apply Use parentheses, brackets, or braces in numerical expressions, and ev… (item 13, set 18): show your work. ___ 6. Apply Use parentheses, brackets, or braces in numerical expressions, and ev… (item 14, set 18): show your work. ___

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Patterns and rules

1. Identify the rule in today's 5.OA.A.1 practice. 2. Show your work with a drawing or diagram. 3. Explain your answer to a parent.

_See printable PDF for diagram._

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Stretch

1. Create your own 5.OA.A.1 question for a parent to solve. 2. Explain your method in two sentences.

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Parent tip: Act out story problems with objects