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Counting By Tens In Mid-Decades
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This lesson was used with a tier 3 fourth grade intervention math group to help students move from counting by tens and ones separately to counting by tens in mid-decades (for example: 44 + 33, students would count 54, 64, 74, 75, 76, 77). I started this lesson by having students explore the columns of a hundreds chart. Students highlighted one column at a time and recited the counting sequence from top to bottom. We then connected the reciting to matching numeric equations. The next step was to use the counting by mid-decade knowledge to solve addition equations. Students used open number lines to model the addition.

Subject:
Mathematics
Material Type:
Learning Task
Date Added:
05/31/2018