This file contains activities to use as centers or small groups. There are even some worksheets that can be done independently.
Students explore a hundreds chart to solve problems using 1-more, 1-less, 10-more, 10-less.
Contained in this file are the following:
1 Hundred Chart
2 Practice Sheets
10 Task Cards with 3 page Student Sheet
5 Puzzles with Student Sheet
3 Worksheets plus 1 Puzzle using 10-more, 10-less
Common Core Standards Addressed:
CC.1.NBT.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
CC.1.NBT.6 Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
Please download the preview to see some of the activities included in this purchase. Not all sheets are included in the preview.
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