Math Focus 2

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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 2 > Teacher Centre > Surf for More Math > Chapter 8 - Lesson 4

Surf for More Math


Lesson 4: Adding on a 100 Chart

Use these interactive activities to encourage students to have fun on the Web while learning about adding and subtracting two-digit numbers. Students can try these activities on their own or in pairs.


Use a 100 chart as a visual tool for adding two-digit numbers.
[C, CN, ME, R, V]

Instructions for Use

Interactive Calculator allows students to add two-digit numbers and display them on a 100 chart.

To use Interactive Calculator, start by clicking a two-digit number on the interactive calculator. This number will appear in the calculator window. Click the + button on the calculator, and then click a different two-digit number. Press the = button on the calculator to find the sum of the two numbers.