Students will engage in an interactive number line to find the midpoints of benchmark numbers. (Number line counts by 50's and midpoints is counting by 25's. Then, students will generate their own number to add to the number line. Last, students will use the partner talk cards to find the difference of numbers on the number line.
-2 Journal entries
-Benchmark number cards
-Midpoint number cards
-Parter talk cards to find the difference of numbers.
-Number line recording sheet