How did you decide what to do to solve the problem? Are you able to use the number line to model how you solved this problem? DIFFERENTIATION Extension Have students write another version to the Snake story or other story problems and describe strategies they could use to solve them. Intervention Give students more experiences with regrouping using base ten blocks. Also provide more experiences for them to use the 99’s chart and the number line to model the addition and subtraction they are doing. Name Date Counting Mice 1. Snake was very hungry one day and put 25 mice in the jar before he took a nap. He put 17 more mice in the jar after his nap. How many mice are in the jar all together? 2. Snake has 49 mice and his cousin Rattles has 27 mice. Who has more mice, Snake or Rattles? How many more does he have?
How did you decide what to do to solve the problem? Are you able to use the number line to model how you solved this problem? DIFFERENTIATION Extension Have students write another version to the Snake story or other story problems and describe strategies they could use to solve them. Intervention Give students more experiences with regrouping using base ten blocks. Also provide more experiences for them to use the 99’s chart and the number line to model the addition and subtraction they are doing. Name Date Counting Mice 1. Snake was very hungry one day and put 25 mice in the jar before he took a nap. He put 17 more mice in the jar after his nap. How many mice are in the jar all together? 2. Snake has 49 mice and his cousin Rattles has 27 mice. Who has more mice, Snake or Rattles? How many more does he have?