4th Grade Math Milestone 1st Semester Review

Front

What is the formula to find the perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width)

Front

If the perimeter of a rectangle is 36 feet and the width is 3 feet, how do you find the length?

Back

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

Front

How many hundreds are in the number 3,200?

Back

32 hundreds.

Front

What does regrouping mean in math?

Back

Regrouping is rearranging numbers to make them easier to work with, often used in addition and subtraction.

Front

If Chris buys 24 strawberries and 8 kiwis, how do you express how many times as many strawberries as kiwis he buys?

Back

t × 8 = 24, where t is the number of times.

Front

What is the Distributive Property in multiplication?

Back

The Distributive Property states that a(b + c) = ab + ac.

Front

How can you use the Distributive Property to find the product of 25 × 17?

Back

(20 × 10) + (20 × 7) + (5 × 10) + (5 × 7) gives the partial products.

Front

What is an area model in multiplication?

Back

An area model visually represents multiplication by breaking numbers into parts.

Front

What is the product of 18 and 26?

Back

18 × 26 = 468.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.