Arrays (intro to multiplication) Knowledge-Based Practice

Questions

1. 1.

   A rectangular array is made of 2 rows with 6 tokens in each row. Which of the following arrays contains the exact same total number of tokens?

   • A) An array with 3 rows of 5 tokens
   • B) An array with 3 rows of 4 tokens
   • C) An array with 4 rows of 4 tokens
   • D) An array with 5 rows of 2 tokens
2. 2.

   A rectangular array has 3 rows with 8 dots in each row. If the array is rotated to show 8 rows with 3 dots in each row, which equation represents this relationship?

   • A) $3 \times 8 = 8 \times 3$
   • B) $3 + 8 = 8 + 3$
   • C) $3 \times 8 = 3 \times 3$
   • D) $3 \times 8 = 8 \times 8$
3. 3.

   A teacher arranges 18 chairs into a rectangular array with 3 equal rows. How many chairs are in each row of the array?

   • A) 15
   • B) 9
   • C) 6
   • D) 3
4. 4.

   An array consists of 7 columns with 3 dots in each column. Which repeated addition sentence represents the total number of dots calculated by adding the columns?

   • A) $7 + 7 + 7 = 21$
   • B) $7 + 3 = 10$
   • C) $3 + 3 + 3 = 9$
   • D) $3 + 3 + 3 + 3 + 3 + 3 + 3 = 21$
5. 5.

   A student arranges counters into an array with 4 rows and 6 counters in each row. Which equation correctly shows the total number of counters in this array?

   • A) 4 + 6 = 10
   • B) 4 + 4 + 4 + 4 = 16
   • C) 6 × 6 = 36
   • D) 4 × 6 = 24

Answers and step-by-step solutions appear after you finish the test.