Number and Operations in Base Ten: Fluently Multiplying Multi-Digit Whole Numbers (CCSS.5.NBT.5)
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Common Core 5th Grade Math › Number and Operations in Base Ten: Fluently Multiplying Multi-Digit Whole Numbers (CCSS.5.NBT.5)
A district has 45 schools. Each school has 328 students.
What is the total number of students in the district?
14,660
13,120
14,760
2,952
Explanation
Multiply students per school by number of schools: $328 \times 45$. Compute $328 \times 40 = 13,120$ and $328 \times 5 = 1,640$, then add $13,120 + 1,640 = 14,760$ total students.
A field trip uses 27 buses, with 138 students on each bus.
What is the total number of students on the field trip?
3,726
3,716
4,140
1,242
Explanation
Multiply students per bus by number of buses: $138 \times 27$. Compute $138 \times 7 = 966$ and $138 \times 20 = 2,760$, then add $966 + 2,760 = 3,726$ total students.
There are 24 schools in a district. Each school has 256 students.
What is the total number of students in the district?
6,400
1,536
6,124
6,144
Explanation
Multiply students per school by number of schools: $256 \times 24$. Compute $256 \times 4 = 1,024$ and $256 \times 20 = 5,120$, then add $1,024 + 5,120 = 6,144$ total students.