Mathematics 2

# Surf for More Math

## Lesson 3 - Recording Two-Digit Addition

Use these interactive activities to encourage your child to have fun on the Web while learning about recording two-digit addition.

### Goals

Use a concrete model to add 2-digit numbers, with and without regrouping.

### Instructions for Use

Adding Two-Digit Numbers Without Regrouping lets your child use a concrete model to add 2-digit numbers without regrouping.

To use Adding Two-Digit Numbers Without Regrouping, click "OK" to add the ones column. Click "OK" to write the ones in the ones column. Click "OK" to add the tens column. Click "OK" to write the tens in the tens column. Click the "Next" button to try another question.

Adding Two-Digit Numbers Without Regrouping Exercise lets your child use a concrete model to practice adding 2-digit numbers without regrouping.

To use Adding Two-Digit Numbers Without Regrouping Exercise, click the "Start" button. Add the ones column and input the answer in the text box. Add the tens column and input the answer in the text box. Click the "Next" button to try another question.

Adding Two-Digit Numbers With Regrouping lets your child use a concrete model to add 2-digit numbers with regrouping.

To use Adding Two-Digit Numbers With Regrouping, click "OK" to add the ones column. Click "OK" to write the ones in the ones column. Click "OK" to add the tens column. Click "OK" to write the tens in the tens column. Click "OK" to regroup the ones. Click "OK" to write the ones in the ones column. Click "OK" to write the extra tens in the tens column and add the extra tens to the column. Click the "Next" button to try another question.

Adding Two-Digit Numbers With Regrouping Exercise lets your child use a concrete model to practice adding 2-digit numbers with regrouping.

To use Adding Two-Digit Numbers With Regrouping Exercise, click the "Start" button. Add the ones column and input the answer in the text box. Regroup the numbers into tens and ones. Enter the ones in the ones column, and input the extra tens above the equation. Add the tens column and input the answer in the text box. Add the extra tens. Enter the tens in the tens column. Click the "Next" button to try another question.