1120_DOL_2.4B_Composing

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 49, the 4 is in the tens place and represents 40.

Front

What does it mean to compose numbers?

Back

To compose numbers means to combine smaller numbers to make a larger number. For example, 40 + 9 = 49.

Front

What is the sum of 49 and 56?

Back

The sum of 49 and 56 is 105.

Front

What is the sum of 156 and 33?

Back

The sum of 156 and 33 is 189.

Front

How do you use a place value chart?

Back

A place value chart helps you organize numbers by their place values (ones, tens, hundreds) to make addition and subtraction easier.

Front

What is a place value disk?

Back

A place value disk is a tool used to represent numbers visually, showing how many ones, tens, and hundreds are in a number.

Front

If Mr. Joe has 168 red stickers and 28 more blue stickers, how many blue stickers does he have?

Back

Mr. Joe has 196 blue stickers (168 + 28 = 196).

Front

How many stickers does Mr. Joe have altogether?

Back

Mr. Joe has 176 stickers altogether (168 red + 196 blue = 176).

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is a word problem in math?

Back

A word problem is a math problem written in the form of a story or real-life situation that requires solving.