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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 2 > Teacher Centre > Surf for More Math > Chapter 3 - Lesson 3
 

Surf for More Math

CHAPTER 3: ADDITION AND SUBTRACTION STRATEGIES

Lesson 3: Making 10 to Add

Use these interactive activities to encourage students to have fun on the Web while learning about strategies for addition and subtraction. Students can try these activities on their own or in pairs.

Goal

Use the make-10 strategy to determine basic addition facts to 18.
[C, ME, R, V]

Instructions for Use

Ten Frame is an interactive tool that helps students use 10 as a bridge when solving addition problems.

To use Ten Frame, select one of the 5 games to play from the pull-down games menu.

To play "How Many?", count the number of dots, and input the answer in the text box. Click the "Check Answer" button to see if the answer is correct. Click the "New" button for a new question.

To play "Build a Frame", drag the number of dots unto the frame from the bank. Click the "Check Answer" button to see if the answer is correct. Click the "New" button for a new question.

To play "Fill a Frame", count how many dots are needed to fill a frame. Input the answer in the text box, and click the "Check Answer" button to see if the answer is correct. You can drag counters from the bank to help you answer the questions. Click the "New" button for a new question.

To play "Add with Frames", drag the number of dots into each frame to answer the equation. Click the "Check Answer" button to see if the answer is correct. Then combine the number of dots to answer the equation and input the answer in the text box. Click the "Check Answer" button to see if the answer is correct. Click the "New" button for a new question.

 

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