LearningAndDiscoveries

This worksheet serves as supplemental work for 2nd grade common core standard 2.NBT.A.1 and standard 2.OA.A.1. This worksheet focuses on regrouping single and double digit numbers with the use of base 10 blocks. In the first half the worksheet, students will convert a given set of base 10 blocks into a number sentence and then solve. In the lower half, students are given a number sentence, and must convert it to base 10 blocks to find the solution. This worksheet can be given as independen

In this worksheet, students will solve missing addends in 4 different ways. The four different ways includes by subtraction, by number line, by filling in blocks, and by part-part-whole chart. This will work well in small group or whole group work.

These worksheets can be completed in 3 different ways. 1. This can be given to students as an independent worksheet in which students can write the numbers below in the blank. 2.This can be given as a small group center. Laminate the page and cut out the squares. Add velcro under each square and velcro on the blanks within the problems. Have students snap in the correct answer. 3. This can also be an activity in which students can cut out the squares and glue them on to the sheet.