Quick Check 8/15

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 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, 12 ÷ 3 means splitting 12 into 3 equal parts, which equals 4.

Front

What is a fact family?

Back

A fact family is a group of related addition and subtraction or multiplication and division facts that use the same numbers. For example, the numbers 3, 4, and 12 can form the fact family: 3 + 4 = 7, 4 + 3 = 7, 7 - 3 = 4, 7 - 4 = 3.

Front

How do you find the total number of items in equal groups?

Back

To find the total number of items in equal groups, multiply the number of groups by the number of items in each group. For example, 4 groups of 3 items each equals 4 x 3 = 12 items.

Front

What does it mean to share evenly?

Back

To share evenly means to divide something into equal parts so that everyone gets the same amount. For example, if 9 cookies are shared among 3 friends, each friend gets 3 cookies.

Front

What is repeated subtraction?

Back

Repeated subtraction is a method of solving division problems by subtracting the same number multiple times until you reach zero. For example, to divide 24 by 4, you can subtract 4 from 24 six times.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you multiply two numbers, you can find one of the original numbers by dividing the product by the other number.

Front

What is an expression in math?

Back

An expression is a combination of numbers, variables, and operations (like addition, subtraction, multiplication, and division) that represents a value. For example, 3 + 4 is an expression.

Front

What is the total number of cupcakes if each teacher gets 6 and there are 6 teachers?

Back

To find the total number of cupcakes, multiply the number of teachers by the number of cupcakes each teacher gets: 6 teachers x 6 cupcakes = 36 cupcakes.

Front

What is the difference between addition and subtraction?

Back

Addition is combining two or more numbers to get a total, while subtraction is taking one number away from another. For example, 5 + 3 = 8 (addition) and 8 - 3 = 5 (subtraction).