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Looking for number line practice worksheets to align with your Common Core math instruction? This file will help you teach your students to add and subtract on Open Number Line using Counting Up and Counting Back, Friendly Numbers, Place Value, and Counting Up to Subtract strategies. Included are helpful teaching hints, common student errors, and 22 (yes, twenty-two!) two-sided worksheets designed to build students' addition and subtraction fluency with two and three digit numbers. Aligned to

A companion document to Addition and Subtraction on Open Number Line two-sided worksheets. This set includes 22 one sided practice pages with addition and subtraction of two and three digit numbers including strategies: (Counting Up and Back, Friendly Numbers, Place Value Addition, and Counting up to Subtract). Aligns to Common Core Number and Operations in Base Ten Standards and is excellent transitional instruction for upper grade students who missed these key lessons.

Upload all my Common Core aligned products related to addition and subtraction on the open number line including: Teacher tips and background information for each strategy (Count on and Back, Friendly Numbers, Count on to Subtract, and Place Value Addition), four letters to families in English and Spanish, four Addition and Subtraction assessments (2 and 3 digit), forty two-sided worksheets, and twenty one-sided homework practice sheets/exit cards. Bundle priced for a 30% savings!

Assesses students ability to count by tens (32, 42, 52), show expanded form, count on the number line (using break-apart, counting on tens and ones, friendly number and place value strategies). Last question provides language scaffolds for students to describe their addition strategy.

Assesses students ability to count back by tens (72, 62, 52), show expanded form, count back on the number line (using break-apart, counting on tens and ones, friendly number and counting up to subtract) strategies. Last question provides language scaffolds for students to describe their addition strategy.

160 addition and subtraction problem solving pages with variety problem types (join, separate, compare with start, change, end unknown). Each problem includes three different number sets for easy differentiation. Teach your students to show their thinking using a variety of strategies.

Assesses students ability to count by tens (482, 492, 502) and hundreds (811, 911, 1,011), show expanded form, count on the number line (using break-apart, counting on hundreds, tens and ones, friendly number and place value strategies). Last question provides language scaffolds for students to describe their addition strategy. Aligns with Common Core Standards.

Assesses students ability to count back by tens (502, 492, 482) and hundreds (1011, 911, 811), show expanded form, count back on the number line (counting back hundreds, tens and ones, friendly number and count up to subtract strategies). Last question provides language scaffolds for students to describe their subtraction strategy. Aligns with Common Core Standards.

Prevent families from teaching old-school regrouping algorithm to your students with this parent letter describing Common Core addition strategies. Included are suggestions on how families can support addition lessons for their children at home. Add your own date, signature and maybe clip art!

Prevent families from teaching old-school regrouping algorithm to your students with this parent letter describing Common Core subtraction strategies. Included are suggestions on how families can support subtraction lessons for their children at home. Add your own date, signature and maybe clip art!

Prevent families from teaching old-school regrouping algorithm to your students with this parent letter describing Common Core subtraction strategies. Included are suggestions on how families can support subtraction lessons for their children at home. Add your own date, signature and maybe clip art!

Prevent families from teaching old-school regrouping algorithm to your students with this parent letter describing Common Core addition strategies. Included are suggestions on how families can support addition lessons for their children at home. Add your own date, signature and maybe clip art!