Operations on Whole Numbers

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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CCSS.7.NS.A.3

Front

What is subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers. It is represented by the minus sign (-). For example, in 10 - 4, the result is 6.

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CCSS.7.NS.A.1D

Front

What is multiplication?

Back

Multiplication is the mathematical operation of combining equal groups. It is represented by the multiplication sign (×). For example, 4 × 3 means adding 4 three times, which equals 12.

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CCSS.3.OA.A.1

Front

What is the result of 78 − 56 ÷ 4 + 8 × 12?

Back

The result is 160.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the result of 82 + (147 − 22) ÷ 5?

Back

The result is 107.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What does it mean to multiply a number by 1000?

Back

Multiplying a number by 1000 shifts its digits three places to the left. For example, 458 × 1000 = 458000.

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CCSS.5.NBT.A.2

Front

What is the result of 3451 × 10?

Back

The result is 34510.

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CCSS.4.NBT.B.5

Front

How do you calculate the total membership fees collected by a club?

Back

To calculate total fees, multiply the number of members by the fee per member and then multiply by the number of years. For example, 356 members paying $75 + $15 for 2 years results in $64080.

Tags

CCSS.7.EE.B.3

Front

What is the definition of a whole number?

Back

Whole numbers are non-negative numbers without fractions or decimals. They include 0, 1, 2, 3, and so on.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers.

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CCSS.1.OA.A.1