Math 1.3(E)
explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences; and
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Addition and Subtraction Within 20 Teaching Presentation
Introduce early addition and subtraction strategies to your students with this teaching presentation.
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Counting On and Counting Back Worksheets
Practice adding and subracting with this counting on and counting back worksheet pack.
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Addition and Subtraction with Ten Frames Worksheet Pack
Practice adding and subtracting numbers to twenty using ten frames.
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Color by Number Addition and Subtraction Worksheets
Combine math and art with our color by number addition and subtraction worksheets that feature problems with solutions up to 20.
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Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet
Practice the “near doubles” addition strategy to solve addition problems to 20.
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Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
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Subtraction within 20 - Color by Number Worksheet
Reveal the mystery picture by solving the subtraction problems with a color-by-number worksheet.
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Fact Family Find and Flip - Addition and Subtraction Up to 20
Addition and subtraction game cards demonstrating the relationship between fact families.
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1st Grade Halloween Addition Game - Roll-a-Potion
Roll and add to create a magic potion, then draw it in the cauldron with a printable Halloween game.
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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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Addition Strategy: Counting On – Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
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Printable Ten Frames (Single and Double)
Introduce these printable ten frames to your students to promote number sense with hands-on learning.
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Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
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Missing Addend to 10 Flashcards
Practice all the ways to make ten with this set of flashcards.
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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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Making Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.
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Counting On Bingo
Engage your students with a whole class bingo game while using the counting-on strategy to add within 20.
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Counting On Cover Up Game
Practice the counting-on strategy with this engaging cover-the-board game.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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Ladybug Addition and Subtraction Activity
A fun and simple adding and subtracting activity.
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One More & Less Worksheet - Thanksgiving Math
Help your students practice finding one more and one less than a number with a printable Thanksgiving One More & Less worksheet.
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Change It! – Addition to 20 Hands-On Activity
Practice addition to 20 by rearranging the parts of whole numbers into different combinations with this hands-on math activity.
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Ten Frame Printable Templates
Use these printable ten frames in various math lessons to reinforce number sense and other essential skills.
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Friends of 10 Addition Poster Bundle
Print the ultimate Friends of 10 poster bundle with 10 printable classroom posters designed to show students how different combinations of numbers connect to make the same number.
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Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
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Addition to 20 Activity - Winter Math Puzzle for 1st Grade
Practice addition facts up to 20 with a printable winter math puzzle for kindergarten and first-grade students.
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Christmas Math Worksheets - Sums to 12 Activity
Practice finding number bonds and sums to 12 using printable Christmas Math worksheets for first grade.
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Hide-a-Turkey Kindergarten Math Worksheet
Hide the turkeys and practice sums to ten with a fun Thanksgiving math worksheet for Kindergarten.
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Thanksgiving Math Tales - Kindergarten Math Problems
Solve story problems using models with a Thanksgiving Story Problem interactive activity for kindergarten.
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Halloween Addition Worksheet
Count on to solve spooky addition problems in this 2-page Halloween Addition Worksheet.
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Part Part Whole — Hands-On Activity Mat
Use this hands-on addition and subtraction part part whole activity mat in your next guided math group lesson!
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Part Part Whole Word Problem Task Cards and Worksheet
Explore these animal-themed part-part-whole word problems that will open discussions with your young mathematicians.