Lesson 2: Convert numerical expressions into unit form as a mental strategy for multi-digit multiplication. — Practice Questions

1. 1. Use the distributive property to calculate the product of $6 \times 42$. The answer is ___.

2. 2. Which expression is equivalent to $7 \times 59$ by correctly applying the distributive property?

   • A. (7 × 60) - (7 × 1)
   • B. (7 × 50) + 9
   • C. 7 + (60 - 1)
   • D. (7 × 60) - 1

3. 3. Use the distributive property to find the product of $9 \times 38$. The answer is ___.

4. 4. Complete the equation that shows the distributive property: $5 \times (20 + 8) = (5 \times 20) + (5 \times$ ___).

5. 5. A farmer plants $4$ rows of corn, with $102$ corn stalks in each row. Which expression correctly calculates the total number of stalks using the distributive property?

   • A. (4 × 100) + (4 × 2)
   • B. 4 + (100 + 2)
   • C. (4 × 100) + 2
   • D. 4 × 100 × 2

6. 6. Use the distributive property to simplify and solve $3 \times 199$. The answer is ___.