Front

What is the average of a set of numbers?

Back

The average (or mean) of a set of numbers is calculated by adding all the numbers together and then dividing by the count of those numbers.

Tags

CCSS.6.SP.B.5C

Front

How do you find half of a number?

Back

To find half of a number, divide the number by 2.

Tags

CCSS.5.OA.B.3

Front

What is a sequence in mathematics?

Back

A sequence is an ordered list of numbers that follow a particular pattern or rule.

Tags

CCSS.HSF.BF.A.2

Front

How do you determine the next number in a decreasing sequence?

Back

To determine the next number in a decreasing sequence, identify the pattern of decrease and apply it to the last number.

Tags

CCSS.3.OA.D.9

Front

What does it mean for one number to be greater than another?

Back

A number A is greater than a number B if A is larger than B in value.

Tags

CCSS.1.NBT.B.3

Front

How do you solve for an unknown in an equation?

Back

To solve for an unknown, isolate the variable on one side of the equation using inverse operations.

Tags

CCSS.7.EE.B.4A

Front

What is the formula for finding the difference between two numbers?

Back

The difference between two numbers A and B is found by subtracting B from A (A - B).

Tags

CCSS.5.NBT.B.7

Front

How do you calculate a fraction of a number?

Back

To calculate a fraction of a number, multiply the number by the numerator of the fraction and then divide by the denominator.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the significance of the number 30 in the context of subtraction problems?

Back

In subtraction problems, 30 can serve as a starting point from which other values are subtracted to find an unknown.

Tags

CCSS.1.OA.A.1

Front

What does it mean to leave a certain amount after subtraction?

Back

Leaving a certain amount after subtraction means that the result of the subtraction operation equals that specified amount.

Tags

CCSS.2.OA.A.1