Addition & Subtraction within 100 Review

Front

What is the result of adding two numbers together?

Back

The result of adding two numbers together is called the sum.

Front

If Ted has 52 Pokémon cards and receives 6 more, how do you calculate the total number of cards he has?

Back

To find the total, you add the two numbers: 52 + 6 = 58.

Front

What operation would you use to find out how many frogs are left if some hopped away?

Back

You would use subtraction to find out how many frogs are left.

Front

What is the sum of 10 and 8?

Back

The sum of 10 and 8 is 18.

Front

How can you represent the equation 57 - 5 = ____ using addition?

Back

You can represent it as 5 + ____ = 57, where the missing number is 52.

Front

What is subtraction?

Back

Subtraction is the operation of finding the difference between two numbers.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction removes one number from another to find the difference.

Front

How do you solve a word problem involving addition?

Back

Identify the numbers involved, determine the operation needed (addition), and then calculate the sum.

Front

What is a word problem?

Back

A word problem is a mathematical problem expressed in words, requiring interpretation and calculation.

Front

If there are 19 frogs and 4 hop away, how do you find the remaining number of frogs?

Back

You subtract the number of frogs that hopped away from the total: 19 - 4 = 15.