Math 1.3
Number and operations. The student applies mathematical process standards to develop and use strategies for whole number addition and subtraction computations in order to solve problems. The student is expected to:
- (1) use concrete and pictorial models to determine the sum of a multiple of
10 and a one-digit number in problems up to 99;
- (A) use objects and pictorial models to solve word problems involving joining, separating, and comparing sets within 20 and unknowns as any one of the terms in the problem such as 2 + 4 = [ ]; 3 + [ ] = 7; and 5 = [ ] - 3;
- (B) compose 10 with two or more addends with and without concrete objects;
- (C) apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10;
- (D) explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences; and
- (E) generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20.
- Free Plan
Number Bonds Worksheets for Addition and Subtraction
Build addition and subtraction fact fluency with a differentiated number bonds worksheet pack that helps students develop strong part-part-whole understanding.
- Free Plan
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 Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.
- Free Plan
Bump! Subtraction to 20 Board Game
Practice subtraction facts to 20 with a fun and engaging math game.
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Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
- Free Plan
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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Addition and Subtraction Word Problems - Teaching Slides
Introduce addition and subtraction word problems with this clear, interactive teaching slide deck.
- Free Plan
Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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Addition Fact Timed Tests & Trackers
Assess and track addition fact fluency with a printable Math Drill Worksheet pack for addition facts.
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Addition and Subtraction Word Problems Escape Room
Engage students with this addition and subtraction interactive escape room.
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Double Facts Math Charts - Addition Rhyme Posters
Help your students remember their doubles facts to twenty with a set of printable double facts addition rhyme posters.
- Free Plan
Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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Decomposing Numbers – Word Problem Worksheet
Challenge students to decompose numbers presented in a word problem by rearranging the parts and showing different combinations.
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Word Problem Solving Mats
Use these 1st grade addition and subtraction solving mats to support students as they practice solving word problems.
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Money Word Problems Addition and Subtraction Worksheet Set
Use our money word problems addition and subtraction worksheet set to give your students differentiated practice modeling a variety of one and two-digit word problems.
- Free Plan
Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
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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.
- Plus Plan
Adding to Multiples of Ten up to 100 – Halloween Mystery Picture
Celebrate the coming of Halloween and practice adding 2-digit numbers up to 99 with a set of addition color by number worksheets.
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Addition and Subtraction Within 20 – Worksheet
Use this worksheet with your students when exploring addition and subtraction within 20.
- Free Plan
Doubles Plus One - Grid Game
Practice the doubles plus one addition strategy with this dice game.
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Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
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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.
- Plus Plan
Fact Family Houses Worksheet Pack
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
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Math Graphic Organizers - Printable Work Mats
Practice working on specific math concepts with our set of 5 printable math graphic organizers.
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Counting On with Number Bonds – Worksheet
Begin from the larger number and count on to find the total with this worksheet.
- Plus Plan
Addition Strategies: Make a Ten Worksheet
A 2-page worksheet that uses ten frames to model the “making ten” addition strategy.
- Plus Plan
Addition Match-Up Puzzles
A set of 15 match-up cards to scaffold work with addition word problems.
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Addition Strategy - Decompose, Then Make 10 Worksheet
Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.
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Number Talks - Fluency to 20 Task Cards
Build number sense skills with this set of 24 task cards.
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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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Near Doubles Game: Wizard's Walk
Break out our near doubles game “Wizard’s Walk” for an engaging way to practice the near doubles strategy.
- Plus Plan
Adding Doubles Board Game
Play our adding doubles board game to give your students a chance to practice their addition fact fluency.