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
Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
- Plus Plan
Number Talks - Double Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
- Plus Plan
Addition and Subtraction Word Problems - Match Game
Practice reading, modeling, and solving addition and subtraction word problems with a matching activity.
- Plus Plan
Bar Model Subtraction - Math Color By Number Worksheet
Bring a bit of spooky math fun into the classroom with a Halloween color by number worksheet focused on subtraction using a bar model.
- Plus Plan
Number Bonds Worksheet - Cut and Paste
Practice subtraction up to twenty with a cut-and-paste number bond worksheet.
- Plus Plan
Adding and Subtracting Within 10 - Word Problem Task Cards
Solve word problems practicing addition and subtraction to ten with a set of printable task cards.
- Plus Plan
Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
- Plus Plan
Subtraction Using Picture Models Worksheet
Practice subtracting numbers to 12 using picture models with a printable subtraction worksheet.
- Plus Plan
Addition and Subtraction on a Number Line - Superhero Math Activity
Fly through addition and subtraction on a number line with an exciting Number Line Hero task card activity.
- Plus Plan
Addition and Subtraction Fact Families Teaching Presentation
Use this 19-slide editable slide deck when introducing addition and subtraction fact families to your students.
- Plus Plan
Easter Literacy and Math Centers - Digital Learning Activity
Lost the lesson-planning stress this Easter season with an exciting no-prep digital Easter Literacy and Math center.
- Plus Plan
Secret Code Number Line - Worksheet
Crack the number line code with five number line codebreaker worksheets to practice number identification, addition, and subtraction.
- Plus Plan
Rainbow Number Bonds - Math Game
Practice number bonds with this fun rainbow-themed hands-on activity.
- Plus Plan
Counting On – Word Problem Worksheet
Practice adding within 20 by using the counting on strategy to solve word problems.
- Free Plan
Decomposing Numbers – Word Problem Worksheet
Challenge students to decompose numbers presented in a word problem by rearranging the parts and showing different combinations.
- Plus Plan
Making 10 – Worksheet
Practice the addition strategy of making ten with this math 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
Plus One and Minus One Math Machine Worksheet
A worksheet to practice generating a number that is one more than or one less than another number.
- Plus Plan
Addition Worm – Worksheet
A set of differentiated addition worksheets.
- Plus Plan
Word Problem Task Cards - 2-digit + 1-digit Addition
Practice adding 2-digit and 1-digit numbers with this set of 16 word problem task cards.
- Plus Plan
Friends of... 1 to 10 - Black and White Version
A set of 10 posters showing the different combinations to make the numbers 1 to 10.
- Free Plan
Fact Family Find and Flip - Addition and Subtraction Up to 20
Addition and subtraction game cards demonstrating the relationship between fact families.
- Plus Plan
Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)
A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.
- Plus Plan
Picture Addition Worksheet
A worksheet to practice the addition strategy of counting on.
- Plus Plan
Rainbow Numbers Worksheet
A worksheet using rainbow numbers.
- Plus Plan
Rainbow Numbers Poster
A poster showing the different combinations of 10.
- Plus Plan
Making 10 - Number Facts Board Game
A fun, hands-on game students can play to practice the Making 10 addition strategy.
- Plus Plan
Near Doubles - Number Facts Board Game
Practice the "Near Doubles" addition strategy with this board game.
- Plus Plan
Doubles - Number Facts Board Game
Practice the doubles addition strategy with this board game.
- Plus Plan
Subitize to 10 Task Cards — Number Talks
Help your students subitize to 10 and beyond with these number talk task cards.
- Plus Plan
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.
- Plus Plan
Subtraction Fact Fluency Assessments
Assess and track subtraction fact fluency with a printable Math Fact Fluency program for subtraction facts.