Multiplication Patterns

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Answer Key & Explanations

Multiplication Patterns · Grade 3 · Worksheet 3

1. A factory packages toy cars into boxes for shipping. Each large box holds 8 rows of toy cars, with 12 cars in each row. If the factory fills 9 large boxes completely, how many toy cars are packaged in total? Answer: 864 Solution: Each box has 8 rows × 12 cars per row = 96 cars 9 boxes × 96 cars per box = 864 cars The factory packages 864 toy cars in total.
   Full step-by-step solution

   Step 1: Find how many cars are in one box Each box has 8 rows × 12 cars per row = 96 cars Step 2: Multiply by the number of boxes 9 boxes × 96 cars per box = 864 cars The factory packages 864 toy cars in total.

2. 4, 8, 12, 16, 20, __ = ? Answer: 24 Solution: Each term increases by 4: 4, 8, 12, 16, 20. The next term is 20 + 4 = 24.
   Full step-by-step solution

   Step 1: Each term increases by 4: 4, 8, 12, 16, 20. Step 2: The next term is 20 + 4 = 24. The answer is 24.

3. 5, 10, 15, 20, __ = ? Answer: 25 Solution: Each term increases by 5: 5, 10, 15, 20. The next term is 20 + 5 = 25.
   Full step-by-step solution

   Step 1: Each term increases by 5: 5, 10, 15, 20. Step 2: The next term is 20 + 5 = 25. The answer is 25.

4. A farmer is planting apple trees in his orchard. He plants 7 rows of trees, with 9 trees in each row. How many apple trees does the farmer plant in total? Answer: 63 Solution: The farmer plants 7 rows of trees Each row has 9 trees To find the total number of trees, multiply the number of rows by the number of trees in each row 7 × 9 = 63 The farmer plants 63 apple trees in total
   Full step-by-step solution

   Step 1: The farmer plants 7 rows of trees Step 2: Each row has 9 trees Step 3: To find the total number of trees, multiply the number of rows by the number of trees in each row Step 4: 7 × 9 = 63 Step 5: The farmer plants 63 apple trees in total