2nd grade math

Front

What is expanded form?

Back

Expanded form is a way to write numbers by showing the value of each digit. For example, 456 in expanded form is 400 + 50 + 6.

Tags

CCSS.2.NBT.A.3

Front

What is the expanded form of 456?

Back

400 + 50 + 6

Tags

CCSS.2.NBT.A.3

Front

How do you find the place value of a digit in a number?

Back

To find the place value, look at the position of the digit in the number. For example, in 546, the 4 is in the tens place.

Tags

CCSS.4.NBT.A.1

Front

What is the place value of the 4 in 546?

Back

Tens

Tags

CCSS.4.NBT.A.1

Front

What does '10 less than' mean?

Back

'10 less than' means to subtract 10 from a number. For example, 10 less than 278 is 268.

Tags

CCSS.1.OA.A.1

Front

What is 10 less than 278?

Back

268

Tags

CCSS.2.NBT.B.8

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals. It helps to visualize numbers and their relationships.

Tags

CCSS.2.MD.B.6

Front

What is the value of the digit 5 in the number 752?

Back

The value of the digit 5 in 752 is 500, because it is in the hundreds place.

Tags

CCSS.4.NBT.A.1

Front

What is a digit?

Back

A digit is a single number from 0 to 9. For example, in the number 345, the digits are 3, 4, and 5.

Tags

CCSS.2.OA.C.3

Front

What is the difference between a number and a digit?

Back

A number can be made up of one or more digits. For example, 7 is a digit, but 27 is a number made of two digits.

Tags

CCSS.4.NBT.A.1