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.
- 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
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
Touchdown Throwdown Addition Game
Win the addition fact championship with a football-themed partner game!
- Plus Plan
Presidents' Day Color by Number - Addition
Practice adding single-digit numbers with sums to 20 with a Presidents’ Day Color By Number Worksheet.
- Plus Plan
Groundhog Day Addition - Color By Number
Boost addition skills and bring some fun into the classroom with Groundhog Day color-by-number addition worksheets.
- Plus Plan
Rearranging Parts – Worksheet
Rearrange the parts of an addition problem to form new number sentences with this worksheet.
- Plus Plan
100th Day of School Dice Games - Roll to 100 Challenge
Roll your way through the 100th Day with dice games for kids.
- Plus Plan
Roll, Add, and Color Christmas Math Worksheet
Roll into Christmas break with this addition coloring activity.
- Plus Plan
Christmas Color-By-Addition-Fact Worksheets
Boost addition skills and bring a bit of Christmas magic into the classroom with Christmas color-by-number addition worksheets.
- Plus Plan
Fall Math - Addition to 10 Task Cards
Practice addition up to 10 with this set of 20 fall-themed task cards.
- Plus Plan
Christmas Math Worksheets - Addition and Subtraction Mazes
Navigate these Christmas math mazes with addition and subtraction facts to keep those minds active!
- 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
Word Problem Task Cards: Addition and Subtraction Within 10
Practice addition and subtraction within 10 with this set of 18 word problem task cards.
- Free Plan
Cover Up! - Addition Facts Game
Develop a love of addition facts with this multiplayer Valentine’s Day board game.
- 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
Color by Numbers - Adding Single-Digit Numbers
A set of 5 color by number activity pages to use when practicing addition facts.
- 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
Dinosaur Math - Addition and Subtraction (Version 2)
Solve the addition and subtraction number sentences to color the dinosaur.
- Free Plan
Doubles Plus One - Grid Game
Practice the doubles plus one addition strategy with this dice game.
- Plus Plan
Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
- Plus Plan
Thanksgiving Math Tales - Kindergarten Math Problems
Solve story problems using models with a Thanksgiving Story Problem interactive activity for kindergarten.
- Plus 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.
- Plus Plan
Halloween Addition Worksheet
Count on to solve spooky addition problems in this 2-page Halloween Addition Worksheet.
- Plus Plan
Number Bonds Math Center Activity
Use this hands-on number bonds (addition and subtraction) strategy activity in your next guided math group lesson!
- Plus Plan
Cut & Paste Fact Family Worksheets
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
- Plus Plan
Bridge to Ten Addition Strategy Task Cards
Help students quickly bridge to ten to assist with their addition strategies using linking cubes.
- Plus Plan
Rainbow Number Facts (Making 10) - Board Game
Practice the addition strategy of making ten with this board game.
- Plus Plan
Missing Addend to 10 Flashcards
Practice all the ways to make ten with this set of flashcards.
- Plus Plan
Number Talks - Double Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
- Plus Plan
Addition Strategies to 20 Workmat
Practice using a variety of addition strategies to add numbers up to 20.
- Plus Plan
Addition within 20 Interactive Resource
Practice solving one-digit and two-digit addition problems using a variety of addition strategies with this interactive activity.