3-Digit Addition/Subtraction Word Problems

Front

What is 3-digit addition?

Back

3-digit addition is the process of adding numbers that have three digits, such as 123 + 456.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is 3-digit subtraction?

Back

3-digit subtraction is the process of subtracting one three-digit number from another, such as 789 - 234.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you solve a word problem?

Back

To solve a word problem, read the problem carefully, identify the numbers and operations needed, and write an equation to find the answer.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What does 'altogether' mean in a word problem?

Back

'Altogether' means to combine or add up all the amounts mentioned in the problem.

Tags

CCSS.1.OA.A.1

Front

What is the equation to find the total number of items?

Back

The equation is: Total = Item1 + Item2.

Tags

CCSS.2.OA.C.3

Front

How do you find out how many more?

Back

To find out how many more one number is than another, subtract the smaller number from the larger number.

Tags

CCSS.1.OA.A.1

Front

What does 'less than' mean in a word problem?

Back

'Less than' indicates subtraction. For example, if Sally has 317 apples and Harry has 129 less, you would calculate 317 - 129.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in solving a 3-digit addition problem?

Back

The first step is to line up the numbers by their place values (hundreds, tens, and ones).

Tags

CCSS.2.NBT.B.7

Front

What is the first step in solving a 3-digit subtraction problem?

Back

The first step is to line up the numbers by their place values (hundreds, tens, and ones) and subtract starting from the right.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is a model in math?

Back

A model in math is a visual representation of a problem, such as using blocks or drawings to show addition or subtraction.

Tags

CCSS.2.OA.A.1