Today you will be playing Ratio Race to practice the divide by 9 strategy. Your goal is to play for 5-10 minutes and complete as many charts as you can! 1. Click button to start. 2. Pick the two different colors that you will be playing against each other. Label them at the top of the chart with the :text: text tool or pen. 3. Spin the spinner by pressing ▶️ play then pause button. Divide the number that you spin (n) by 9. 4. Say the entire fact aloud with the answer. 5. Fill that fact in on color one's chart, then spin again for color 2. Alternate being each color, spinning, and filling in the chart. 6. If the row is already filled in, that color skips its turn. See which color completes the chart first. Circle that chart with the glow pen! 7. Work for 5-10 minutes. Duplicate the page if needed. 8. On the last page, click the microphone and read each fact aloud with the answer. If you are not sure of the answer share your thinking. You may use any tool to show your work. 9. Click the check to submit your work.
Based on John SanGiovanni's Mastering the Basic Facts