Criss Crossed Sums

in this math instructional activity, students examine a multiplication chart which has 3 five-box crosses outlined in boldface. Students add the 5 numbers in the cross, compare the sum to the center number and figure out the pattern. Students fill out a table with the information comparing the sum of the 5 numbers in the cross with the center number.

3rd - 4th Math 3 Views 1 Download
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