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Nelson Education > School > Mathematics K-8 > Mathematics 3 > Teacher Centre > Surf for More Math > Chptr 2 Lssn 2
 

 

Surf for More Math

Lesson 2 - Renaming Numbers

 

To encourage students to have fun on the Web while learning about Renaming Numbers, here are some games and interactive activities they can do on their own or in pairs.

 

Goal

Represent and rename 3-digit numbers with numerals and words, models, and drawings.

 

Builds Upon

Student Book pages 28-29

Instructions for Use

Base Blocks lets students represent numbers using a model.

To use Base Blocks, click on the blue icons at the top of each column to enter units or blocks. The number of blocks added to the work area automatically updates at the left of the workspace. If base blocks are moved into the wrong column, or if there are too many blocks in a column to represent a number, then the number update at the left remains blank. It reappears when changes are made that define a number.

Exchange pieces by dragging a base block one column to the right; it breaks apart to show that an exchange was made. To group pieces to make an exchange in the other direction, click and hold the mouse key down while dragging a rectangle to lasso the pieces. The newly grouped object can then be dragged into the next column.

Click on the 'Show Problem' button to start an exercise in the specified base.

Place Value of 3-Digit Numbers lets students model 3-digit numbers.

To use Place Value of 3-Digit Numbers , click the 'Start' button and a number appears in the text field. Determine the place value for each digit in the text fields. Click 'Check Answer' to see if the answer is correct.

 

Place Value in Words and Numbers lets students practice representing numbers using words.

To use Place Value in Words and Numbers, click the 'Start' button and number words appear in the first text field. Have you child input the answer and click the 'Check' button to indicate if students have the correct answer.