Addition and Subtraction Problem Solving

Front

What is addition?

Back

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

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another to find the difference.

Tags

CCSS.2.NBT.B.7

Front

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

Back

You add the number of items in each group together.

Tags

CCSS.2.OA.C.4

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Tags

CCSS.1.OA.A.1

Front

If you have 12 apples and you buy 8 more, how many apples do you have in total?

Back

12 + 8 = 20 apples.

Tags

CCSS.1.OA.A.1

Front

If you have 15 candies and you give away 5, how many candies do you have left?

Back

15 - 5 = 10 candies.

Tags

CCSS.2.OA.A.1

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in a narrative form, requiring interpretation and problem-solving.

Tags

CCSS.2.OA.A.1

Front

How can you check your addition?

Back

You can check your addition by using subtraction: if the sum plus the number you added equals the original number, it's correct.

Tags

CCSS.2.NBT.B.7

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Tags

CCSS.2.MD.B.6

Front

What does 'combined length' mean?

Back

Combined length refers to the total length when two or more lengths are added together.

Tags

CCSS.4.MD.A.2