Benchmark Review 4. OA

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What is multiplication?

Back

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

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What is a pattern in mathematics?

Back

A pattern is a sequence of numbers or shapes that follows a specific rule. For example, in the sequence 2, 4, 6, 8, the pattern is adding 2 each time.

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How do you find the total number of items when you have groups?

Back

To find the total number of items in groups, multiply the number of groups by the number of items in each group. For example, if there are 5 baskets with 10 apples each, the total is 5 x 10 = 50 apples.

Front

What does it mean to subtract?

Back

Subtracting means taking one number away from another. For example, if you have 10 apples and you give away 3, you subtract 3 from 10, which leaves you with 7 apples.

Front

What is the equation for division?

Back

Division is the process of splitting a number into equal parts. For example, 12 divided by 3 (12 ÷ 3) means splitting 12 into 3 equal parts, which equals 4.

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What is a word problem in math?

Back

A word problem is a mathematical question that is presented in the form of a story or real-life scenario. It requires reading comprehension and problem-solving skills to find the answer.

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What does 'times as many' mean?

Back

'Times as many' refers to multiplication. For example, if something is 3 times as many, it means you multiply the original number by 3.

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How do you calculate the total number of pencils needed for a class?

Back

To calculate the total number of pencils needed, multiply the number of students by the number of pencils each student needs. Then, subtract any pencils already available.

Front

What is the difference between addition and subtraction?

Back

Addition is combining numbers to get a larger number, while subtraction is taking away from a number to get a smaller number.

Front

What is a seed in the context of growing plants?

Back

A seed is a small, hard part of a plant that can grow into a new plant. In this context, each seed can grow into a watermelon.