Math Focus 2
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# Surf for More Math

## CHAPTER 2: NUMBER TO 50

### Lesson 2: Making Groups of 10

Use these interactive activities to encourage students to have fun on the Web while learning about the numbers to 50. Students can try these activities on their own or in pairs.

Goal

Group and count objects by 10s.
[C, CN, ME, PS, 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.

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.

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.

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. 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.

To play Random, 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.

Butterfly Ten Frame helps students gain comfort using numbers to 10.

To use Butterfly Ten Frame, have students click on the number to answer the questions.

Groups of Ten  gives students practice counting groups of 10.

To use Groups of Ten, click on “Unit 4: Numbers Through 100” and select “Lesson 10.1”. Read the Quiz Rules and click “Begin”. Count the groups of ten and then write the number in the space provided. Click “Check Your Answer” to check. If your answer is correct, the next group of ten is shown. Click “End the Quiz” when you have completed the quiz and to view your final score. Click “Exit” to end the activity.