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This unit has 15 days worth of teaching, practicing, writing about, and interacting with addition and subtraction! This unit is geared to 1st grade, but covers some 2nd grade standards, see below!

Each Day has class-wide engagement, a strategy, a discussion, and a practice for the given lesson! Each day scaffolds on the last, making understanding easier on the students.

This is noooooo prep. Everything you need is here. All you do is print, cut (when needed), teach, and watch your kids soar!

Strategies taught:
*Finger Counting - Counting on or Counting Back
*Number Lines - With the commutative property
*Doubles
*Touch Dot
*Making Tens
*Ten Frames
*Using 2 Ten Frames
*Part-Part-Whole

Each of these is taught with addition and subtraction to show the relationship between the two!

There are 11 anchor charts, 3 assessments (pre, mid, and post), practice pages, interactive notebook activities, class-wide collaborative learning for the class, group practice, review activities, and journaling opportunities.

Each lesson has an Activation of Engagement, Questioning, Student Practice, and Closure.

Many of the practice pages have 2 different levels to meet the needs of the students (differentiation!!!)

Standards:
1.OA.A.1Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.1
1.OA.A.2Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

1.OA.B.3Apply properties of operations as strategies to add and subtract.

1.OA.B.4Understand subtraction as an unknown-addend problem.

1.OA.C.5Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

.1.OA.C.6Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

1.OA.D.8Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

2.OA.B.2Fluently add and subtract within 20 using mental strategies.

2.NBT.B.9Explain why addition and subtraction strategies work, using place value and the properties of operations.

2.MD.B.6Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.

Happy Teaching!

Total Pages
110 pages
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