Grade 3 Area and Problem Solving

Front

What is the formula to calculate the area of a rectangle?

Back

Area = Length × Width.

Front

If a rectangle has a length of 8 inches and a width of 3 inches, what is its area?

Back

24 square inches.

Front

What is the area of a rectangle with a length of 5 units and a width of 4 units?

Back

20 square units.

Front

How do you find the remaining quantity after some items are taken away?

Back

Subtract the number of items taken from the original quantity.

Front

If you have 100 apples and give away 25, how many do you have left?

Back

75 apples.

Front

What is the area of a rectangle with a length of 12 inches and a width of 5 inches?

Back

60 square inches.

Front

If a rectangle has an area of 30 square units and a length of 6 units, what is the width?

Back

5 units.

Front

What is the process to find the width of a rectangle if the area and length are known?

Back

Width = Area ÷ Length.

Front

If Sarah has 50 stickers and gives away 20, how many does she have left?

Back

30 stickers.

Front

What is the area of a rectangle with a length of 9 inches and a width of 2 inches?

Back

18 square inches.