4th Grade Math NC Check-n # 1 Review

Front

What are the only factors that prime numbers have?

Back

1 and itself.

Front

If an envelope is 3 inches wide and has a perimeter of 30 inches, what is the length of the envelope?

Back

12 inches.

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

If the perimeter of a rectangle is 34 meters and the width is 4 meters, how do you find the length?

Back

Use the formula: Length = (Perimeter/2) - Width.

Front

What is the definition of perimeter?

Back

The total distance around the outside of a shape.

Front

How do you round the number 578,765 to the nearest thousand?

Back

Look at the hundreds place (7), since it is 5 or more, round up to 579,000.

Front

What is a prime number?

Back

A natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

How many kids wore walking shoes to school today if the answer is 9?

Back

9 kids wore walking shoes.

Front

What is the width of the envelope if it is stated to be 3 inches?

Back

3 inches.

Front

What is the length of a rectangle if the perimeter is 34 meters and the width is 4 meters?

Back

13 meters.