Subtracting 20 From Numbers Between 50 and 100
In this subtraction worksheet, students solve 12 problems in which the number 20 is subtracted from a two digit number. This is an online interactive worksheet that can be printed.
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Activities that Build Number Sense
Have fun while building the number sense of young mathematicians with this list of ten-frame learning games. From developing cardinality and counting skills to learning place value and basic addition strategies, ten-frames are excellent...
K - 2nd Math CCSS: Adaptable