Adding Three Two-Digit Numbers

Front

What is the sum of 41, 20, and 10?

Back

71

Front

What is the sum of 52, 44, and 16?

Back

112

Front

What is the sum of 88, 64, and 47?

Back

199

Front

What is the sum of 90, 42, and 32?

Back

164

Front

What is the sum of 34, 73, and 89?

Back

196

Front

What is the first step in adding three two-digit numbers?

Back

Add the first two numbers together.

Front

What do you do after adding the first two numbers in a three-number addition?

Back

Add the result to the third number.

Front

What is a two-digit number?

Back

A number that has two digits, ranging from 10 to 99.

Front

How can you check your addition of three two-digit numbers?

Back

Re-add the numbers in a different order or use estimation.

Front

What is the importance of place value in addition?

Back

It helps to align numbers correctly for accurate addition.