Perimeter. Game on.

Perimeter is a grade 3 math skill aligned to Common Core standard 3.MD.D.8: solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths. Below are 8 practice questions with answers and step-by-step explanations, drawn from the 36 perimeter problems our math games drill.

CCSS 3.MD.D.836 questions in the bank

Kickoff

8 plays. No signup.

Warm-upeasy

Perimeter of a $4$ ft by $7$ ft rectangle?

$2(4+7)=22$ ft.

Mid-gameeasy

A square has side $8$ m. Perimeter?

$4 \times 8 = 32$ m.

Mid-gameeasy

Perimeter of a $10$ cm by $3$ cm rectangle?

$2(10+3)=26$ cm.

Mid-gameeasy

A square has sides of $2$ ft. What is its perimeter?

$4 \times 2 = 8$ .

Mid-gameeasy

What is the perimeter of a $3$ cm by $2$ cm rectangle?

$2(3 + 2) = 2 \times 5 = 10$ .

Mid-gameeasy

A square has sides of $3$ in. What is its perimeter?

$4 \times 3 = 12$ .

Mid-gameeasy

What is the perimeter of a $4$ m by $3$ m rectangle?

$2(4 + 3) = 2 \times 7 = 14$ .

Buzzer beatereasy

A square has sides of $4$ cm. What is its perimeter?

$4 \times 4 = 16$ .

Overtime

28 more. Played, not assigned.

The rest of the bank lives inside live head-to-head matches — the placement test finds the right starting difficulty.

Balloon Pop Math game cover

Balloon Pop MathPlay →

Beam Team game cover

Beam TeamPlay →

Blaster Gate game cover

Blaster GatePlay →

Blitz Tanks game cover

Blitz TanksPlay →

Drill it inside a game.

The free placement test finds your level, then every match serves perimeter questions at exactly the right difficulty.