Teachers, save “Valentine Number Sense up to 100” to assign it to your class.

1. Tap . 2. Identify the number in the purple box. Tap and build the number in the green box with the base ten blocks. 3. Tap and write the number in expanded form. 4. Tap and write the number that is 10 less in the red box. Then, write the number that is 10 more in the blue box. 5. Tap when you have completed all pages.