EDM Grade 4 Unit 2 Review

Front

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

Back

Area = length × width.

Front

If a table is 8 feet long and 3 feet wide, what is its area?

Back

24 feet squared.

Front

What does it mean for a number to be composite?

Back

A composite number has more than 2 factors.

Front

How many factors does the number 12 have?

Back

1, 2, 3, 4, 6, 12 (6 factors).

Front

What is a ray in geometry?

Back

A ray has a beginning but no ending.

Front

What is the difference between a line and a line segment?

Back

A line has no endpoints, while a line segment has two endpoints.

Front

How do you determine how many times longer one line is than another?

Back

Divide the length of the longer line by the length of the shorter line.

Front

If Shar's line is 6 feet long and Diego's line is 36 feet long, how many times longer is Diego's line?

Back

4 times as long.

Front

What is the place value of the digit 9 in the number 94,600?

Back

The 9 is in the ten-thousands place.

Front

What is the definition of place value?

Back

Place value is the value of a digit based on its position in a number.