Surf for More Math

Lesson 2 - Adding More than Two Numbers

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

Goals

Use number sentences to describe sums of more than 2 numbers.

Count on and add more than 2 numbers.

Instructions for Use

Rock Hopper prompts students to add more than 2 numbers.

To use Rock Hopper, click on a rock to make the frog jump there. The frog can jump on any rock that is next to it. When the frog lands on the rock, the total number changes. The frog must be on the last row of rocks to jump to the large rock. The frog can jump to the large rock only if the total is the number on the large rock.

Connecting Cubes lets students count on and add more than 2 numbers.

To use Connecting Cubes, click on the "Connecting Cubes" link, and then click on the stamp. Select the colour of cube to put on the workspace. Click on it. To connect cubes, click on the hand icon and then click on the cubes to be connected. To disconnect cubes, click on the cubes with a lightning bolt icon and then click on the cubes to be disconnected. To erase cubes, click on the eraser. To clear the workmat, click on the broom.