Reveal Unit 4 Review, Form A

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does it mean to find a total?

Back

Finding a total means adding together all the parts to get a complete amount. For example, if you have 2 apples and 3 oranges, the total number of fruits is 2 + 3 = 5.

Front

If Brooke filled 6 baskets, how many baskets did Kristi fill if she filled 5 times as many?

Back

Kristi filled 30 baskets (5 x 6 = 30).

Front

What is a mathematical equation?

Back

A mathematical equation is a statement that two expressions are equal. It often contains variables and constants, such as x + 2 = 5.

Front

How do you solve for a variable in an equation?

Back

To solve for a variable, you need to isolate it on one side of the equation. This often involves performing the same operation on both sides of the equation.

Front

What does '7 times as many' mean?

Back

'7 times as many' means you multiply the original number by 7. For example, if there are 9 students, then 7 times as many would be 9 x 7 = 63.

Front

What is the equation to find how many fourth graders pack their lunch if 63 are buying lunch and that is 7 times as many?

Back

The equation is p x 7 = 63, where p represents the number of students packing lunch.

Front

If Margaux made 2 necklaces this week, how many will she make next week if she wants to make 4 times as many?

Back

Margaux will make 8 necklaces next week (2 x 4 = 8).

Front

What is the purpose of using variables in equations?

Back

Variables are used in equations to represent unknown values that we want to find. They allow us to create general formulas and solve problems.

Front

What does it mean to pack lunch?

Back

Packing lunch means preparing and putting together food to take to school or work instead of buying it.