Multi-Digit Addition and Subtraction and Rounding

Front

What is multi-digit addition?

Back

Multi-digit addition is the process of adding numbers that have more than one digit, such as 23 + 45.

Front

What is multi-digit subtraction?

Back

Multi-digit subtraction is the process of subtracting numbers that have more than one digit, such as 56 - 34.

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

Round 66 to the nearest ten.

Back

70

Front

What is the result of 224 - 25?

Back

199

Front

What is the result of 843 - 129?

Back

714

Front

What is the result of 525 rounded to the nearest ten?

Back

530

Front

If 94 students moved out of 363, how many are left before new students move in?

Back

269

Front

If 26 students moved in after 94 moved out of 363, how many students are there now?

Back

295

Front

What is the first step in solving 843 - 129?

Back

Align the numbers by place value and subtract starting from the right.