Rounding with Balloons

Submitted by sherri.peterson on
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rounding 1.JPG 42.18 KB
rounding 2.JPG 39.59 KB
rounding 3.JPG 38.71 KB
rounding 5.JPG 38.91 KB

In my math group today we learned about rounding. When we hold the string and let go of 1, 2, 3, or 4 fingers the balloon stays the same. If we let go of 5 fingers the balloon go up.  That analogy helps the students to remember to round up for numbers 5 and larger.

Attributions
Heidi Dimmick