Addition to 20 - Activities Word Problems and Assessments 1st Grade

Rated 5 out of 5, based on 53 reviews
53 Ratings
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Fairies and Lesson Plans
10.4k Followers
Grade Levels
1st, Homeschool
Resource Type
Standards
Formats Included
  • Zip
Pages
194 pages
$11.00
$11.00
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What educators are saying

This is a great resource to reinforce skills that are taught from the curriculum. The kiddos enjoyed these skills sheets.
This is my go to resource for math assessments. Quick and to the point it covers my standards so well.
Also included in
  1. Comprehensive 1st Grade Math Practice and Assessments resource. Includes 9 zip files: Count to 120, Add to 20, Subtract from 20, Place Value, Shapes, Fractions, Graphing, Telling Time, and Measurement. Over 800 pages of worksheets, and assessments. All Common Core aligned, with answer keys.You can s
    Price $55.50Original Price $70.50Save $15.00
  2. These Super Bundles are made with popular resources that are often purchased together at my store. They give you an even bigger discount because you are investing on many resources at once! It is the best value for teachers who are considering each of the individual bundles.The Math Homework Bundle
    Price $66.15Original Price $94.50Save $28.35

Description

These Addition to 20 worksheets include adding with pictures, adding using ten-frames and number lines, missing addends, adding three numbers, and fluency practice. This First Grade packet also includes fact families, equations, and practice identifying addition strategies. The word problems have unknown numbers in all positions!

This packet consists of several types of worksheets and assessments that start at the end of Kindergarten level and progressively go towards mastery of the 1st Grade Common Core Standards for addition to 20.

This resource will take you from day one to day 180! You’ll find plenty of practice for teaching and re-teaching, pre and post-assessments, all with answer-keys! Ideal for differentiating instruction.

This resource is organized in 3 files. The first one has sheets for addition practice. The second one has sheets for word problem solving practice, and the third one has assessments for each of the skills.

CONTENTS:

File #1 – Add to 20 (51 pages + answer keys)

• Add to 10 with dominoes

• Add to 10 with objects

• Add Facts to 10 – Sum Unknown

• Add Dominoes – Change Unknown

• Add Dominoes – Start Unknown

• Count on Number Lines to 10

• Count on Number Lines to 20

• Making 10

• Use Addition Strategies

• Fact Families

• Commutative Property

• Associative Property

• Equations with Symbols

• True or False Equations

File #2 – Word Problems (30 pages + answer keys)

• Sum Unknown to 10

• Sum Unknown to 20

• Change Unknown to 10

• Change Unknown to 20

• Start Unknown to 10

• Start Unknown to 20

• Mixed Practice

• Add three numbers

File #3 – Assessments (14 assessments + answer keys)

• Add to 10

• Add to 10 with Unknown in all positions

• Add to 20

• Add to 20 with Unknown in all positions

• Add 3 Numbers

• Fact Families

• Cumulative Test

More from the Practice Makes Perfect Series

BUNDLE - All Practice Makes Perfect Files!

Counting to 120

Place Value

Subtraction from 20

Shapes

First Grade Fractions

First Grade Graphing

First Grade Telling Time

First Grade Measurement

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Make sure to check out my other 1st Grade Resources

Math Homework

Word Work

Language Arts Homework

Parts of Speech

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Math Homework in Spanish

Math Homework in English and Spanish

Kindergarten Math Homework

Second Grade Math Homework

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Total Pages
194 pages
Answer Key
Included
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
Use 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.
Solve 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.
Apply properties of operations as strategies to add and subtract. If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
Add 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).

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