Practice Problems — Set 11
1.OA.A.1 · Use addition and subtraction within 20 to solve word problems involvi…
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Use addition and subtraction within 20 to solve word problems involvi… 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.
_See printable PDF for diagram._
Written practice
1. Two-step: 6 red and 6 blue marbles, then lose 3. How many now? ___ 2. Compare: Team A 31 points, Team B 26. Difference? ___ 3. Draw a bar model for: 6 + 6 + 4 4. Write an equation for your story: ___ + ___ = ___ 5. Does your answer make sense? Explain in one sentence. 6. Create a two-step word problem for 1.OA.A.1. 7. Explain your thinking for set 11 in one sentence. 8. Create your own problem for 1.OA.A.1.
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More written practice
1. Apply Use addition and subtraction within 20 to solve word problems involvi… (item 9, set 11): show your work. ___ 2. Apply Use addition and subtraction within 20 to solve word problems involvi… (item 10, set 11): show your work. ___ 3. Apply Use addition and subtraction within 20 to solve word problems involvi… (item 11, set 11): show your work. ___ 4. Apply Use addition and subtraction within 20 to solve word problems involvi… (item 12, set 11): show your work. ___ 5. Apply Use addition and subtraction within 20 to solve word problems involvi… (item 13, set 11): show your work. ___ 6. Apply Use addition and subtraction within 20 to solve word problems involvi… (item 14, set 11): show your work. ___
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Patterns and rules
1. Identify the rule in today's 1.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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Parent tip: Underline the question and key numbers