Teachers, save “10 Less, 10 More, 1 More, 1 Less” to assign it to your class.

1. Pick a number card (10 - 120) and write the number in the middle of the plus sign. 2. Use the hundreds chart to find 10 less, 10 more and 1 more, 1 less. 3. Tap the : or tool to write those numbers in the plus sign. Challenge: Roll the dice to get a 2-digit number to add to the number card. Record the arrow way to show your thinking. Do this for up to 10 different number cards.