Practice Problems — Set 7
2.OA.C.3 · Determine whether a group of objects (up to 20) has an odd or even nu…
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Determine whether a group of objects (up to 20) has an odd or even nu… 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.
_See printable PDF for diagram._
Written practice
1. 7 + 6 = ___ 2. 13 − 6 = ___ 3. 27 − 6 = ___ 4. Fill in: 7 + ___ = 12 5. Story: 7 apples and 6 more. Total? ___ 6. Story: 13 stickers, give away 6. Left? ___ 7. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 7, set 7): show your work. ___ 8. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 8, set 7): show your work. ___
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More written practice
1. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 9, set 7): show your work. ___ 2. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 10, set 7): show your work. ___ 3. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 11, set 7): show your work. ___ 4. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 12, set 7): show your work. ___ 5. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 13, set 7): show your work. ___ 6. Apply Determine whether a group of objects (up to 20) has an odd or even nu… (item 14, set 7): show your work. ___
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Patterns and rules
1. Identify the rule in today's 2.OA.C.3 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: Draw number bonds or number lines