Practice Problems — Set 9
3.MD.C.7 · Relate area to the operations of multiplication and addition
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Relate area to the operations of multiplication and addition 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.
_See printable PDF for diagram._
Written practice
1. Measure the line to the nearest inch: ___ inches 2. Convert: 190 cm = ___ m 3. Perimeter of a 3 by 5 rectangle: ___ 4. Area of the same rectangle: ___ square units 5. Which unit: milk in a bottle — (A) mL (B) km — write the letter: ___ 6. Word problem: ribbon 11 ft + 10 ft. Total? ___ ft 7. Apply Relate area to the operations of multiplication and addition (item 7, set 9): show your work. ___ 8. Apply Relate area to the operations of multiplication and addition (item 8, set 9): show your work. ___
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More written practice
1. Apply Relate area to the operations of multiplication and addition (item 9, set 9): show your work. ___ 2. Apply Relate area to the operations of multiplication and addition (item 10, set 9): show your work. ___ 3. Apply Relate area to the operations of multiplication and addition (item 11, set 9): show your work. ___ 4. Apply Relate area to the operations of multiplication and addition (item 12, set 9): show your work. ___ 5. Apply Relate area to the operations of multiplication and addition (item 13, set 9): show your work. ___ 6. Apply Relate area to the operations of multiplication and addition (item 14, set 9): show your work. ___
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Patterns and rules
1. Identify the rule in today's 3.MD.C.7 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: Measure real objects with rulers or scales