4.5A, 4.4H, 4.5B Review

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

How do you calculate the total number of items on multiple shelves?

Back

To find the total number of items on multiple shelves, multiply the number of shelves by the number of items each shelf can hold. For example, if there are 32 shelves and each holds 17 books, the total is 32 x 17 = 544 books.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions. It often contains variables and can be solved to find the value of those variables.

Front

What does 'g' represent in an equation?

Back

In an equation, 'g' often represents a variable or unknown quantity that we are trying to find or solve for.

Front

What is a strip diagram?

Back

A strip diagram is a visual representation used to illustrate mathematical concepts, such as addition, subtraction, multiplication, or division. It helps to visualize relationships between numbers.

Front

How do you find the total number of charms used in necklaces?

Back

To find the total number of charms used, first add the number of necklaces made (e.g., 8 round and 10 triangular) to get the total number of necklaces. Then multiply by the number of charms per necklace.

Front

What is the total number of slices of pepperoni on mini pizzas if each pizza has 5 slices?

Back

To find the total number of slices, multiply the number of pizzas by the number of slices per pizza. For example, if there are 40 pizzas (20 pizzas on each of 2 sheets), then 40 x 5 = 200 slices.

Front

What is the relationship between input and output in a number machine?

Back

In a number machine, the input is the number you start with, and the output is the result after applying a specific operation (like addition, subtraction, multiplication, or division) to the input.

Front

How do you determine the number of items after some are removed?

Back

To determine the number of items after some are removed, subtract the number of items removed from the original total. For example, if Isabella collected 45 butterflies and removed 10, she has 45 - 10 = 35 butterflies left.

Front

What is the purpose of using variables in equations?

Back

Variables are used in equations to represent unknown values. They allow us to create general formulas that can be applied to different situations.