Number Concepts

Front

What is a pack of ten?

Back

A pack of ten is a group of 10 items, like pencils, that are sold together.

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CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

How can you write the number 76 in another way?

Back

You can write 76 as 7 tens and 6 ones.

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CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What are even numbers?

Back

Even numbers are numbers that can be divided by 2 without a remainder, like 2, 4, 6, 8.

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CCSS.2.OA.C.3

Front

What is expanded form?

Back

Expanded form shows a number as the sum of its parts, like 85 as 80 + 5.

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CCSS.2.NBT.A.3

Front

What does the red digit represent in the number 57?

Back

The red digit 5 represents 50, which is 5 tens.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What is a single item?

Back

A single item is one individual piece, like one pencil.

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CCSS.2.OA.C.3

Front

How do you find the total number of items in packs and singles?

Back

Add the number of items in packs to the number of singles.

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CCSS.2.OA.C.4

Front

What is the value of the digit in the tens place?

Back

The value of the digit in the tens place is how many tens are in the number.

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CCSS.4.NBT.A.1

Front

What is a number line?

Back

A number line is a straight line that shows numbers in order, with equal spaces between them.

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CCSS.2.MD.B.6

Front

What is a digit?

Back

A digit is a single number from 0 to 9.

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CCSS.2.OA.C.3