Practice

Transition from unit squares to area formula - Questions

1.   is 1 unit square.



Which expressions can we use to find the area of the rectangle?

Choose 2 answers:

(A) \(5 \times 9 \times 5 \times 9\)

(B) \(5+5+9+9\)

(C) \(9+9+9+9+9\)

(D) \(5 \times 9\)

2. Which equation shows a way to find the area of the following rectangle?


Choose 1 answer:

(A) 9 units \(\times 7\) units \(=63\) square units

(B) 6 units \(\times 3\) units \(=18\) square units

(C) 6 units \(\times 8\) units \(=48\) square units

(D) 5 units \(\times 7\) units \(=35\) square units

3.   is 1 unit square.



Which expressions can we use to find the area of the rectangle?

Choose 2 answers:

(A) \(3+9\)

(B) \(9+9+9\)

(C) \(3+9+3+9\)

(D) \(3 \times 9\)

4. Which expression shows a way to find the area of the following rectangle?


Choose 1 answer:

(A) \(4+2+1+1\)

(B) \(5+5+5+5+5\)

(C) \(5 \times 4\)

(D) \(4 \times 4\)

5.   is 1 unit square.


Which expressions can we use to find the area of the rectangle?

Choose 2 answers:

(A) \(5 \times 7\)

(B) \(5 \times 5 \times 5 \times 5 \times 5 \times 5 \times 5\)

(C) \(7+7+7+7+7\)

(D) \(5 \times 7+5 \times 7\)

6. Which equation shows a way to find the area of the following rectangle?



Choose 1 answer:

(A) 9 units \(\times 4\) units \(=36\) square units

(B) 9 units \(+4\) units \(=13\) units

(C) 9 units \(+3\) units \(=12\) units

(D) 9 units \(\times 3\) units \(=27\) square units

7.   is 1 unit square.


Which expressions can we use to find the area of the rectangle?

Choose 2 answers:

(A) \(7+7+7+7+7+7+7\)

(B) \(7 \times 7\)

(C) \(8 \times 7\)

(D) \(8+8+8+8+8+8+8\)