Practice Problems — Set 20
K.MD.B.3 · Classify and count categories
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Sort 12 buttons: how many red? ___ how many blue? ___ 2. Which category has more? ___ 3. Draw three categories and label counts.
_See printable PDF for diagram._
Written practice
1. Sort 12 buttons: how many red? ___ how many blue? ___ 2. Which category has more? ___ 3. Draw three categories and label counts. 4. Classify shapes by number of sides. ___ 5. Make a row graph: cats (22) and dogs (23). Which more? ___ 6. Write the category with the fewest items: ___ 7. Make a row graph: cats (25) and dogs (26). Which more? ___ 8. Make a row graph: cats (28) and dogs (29). Which more? ___
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More written practice
1. Make a row graph: cats (31) and dogs (32). Which more? ___ 2. Make a row graph: cats (34) and dogs (35). Which more? ___ 3. 2 + 5 = ___ 4. 3 + 6 = ___ 5. 4 + 3 = ___ 6. 5 + 4 = ___
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Patterns and rules
1. Sort 12 buttons: how many red? ___ how many blue? ___ 2. Which category has more? ___ 3. Draw three categories and label counts.
_See printable PDF for diagram._
___________________________ ___________________________ ___________________________ ___________________________
Stretch
1. Sort 12 buttons: how many red? ___ how many blue? ___ 2. Which category has more? ___
___________________________ ___________________________ ___________________________ ___________________________
Parent tip: Sort buttons by color