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
Spot the Dots Subitizing 1–10 Activity
A set of 1-10 subitizing cards that can be used in a variety of ways.
- Plus Plan
Grade 1 Daily Warm-Up – PowerPoint 1
An 82-slide PowerPoint presentation containing a variety of quick warm-up activities.
- Plus Plan
Subtraction Dog – Worksheet
Practice subtraction facts with this set of differentiated worksheets.
- 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.
- Free Plan
Cover Up! - Addition Facts Game
Develop a love of addition facts with this multiplayer Valentine’s Day board game.
- Plus Plan
Missing Addend Picture Puzzle – Level 1
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
- Plus Plan
Polygon Puzzles - Addition
A set of 7 polygon puzzles to practice solving addition sentences.
- 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.
- Plus Plan
Friends of... 1 to 10 Addition Poster
A set of 10 posters showing how different combinations of numbers connect to make the same number.
- Plus Plan
Addition Up to 20 - Star Matchup Cards
A set of matchup cards to practice adding within 20.
- Plus Plan
Addition Up To 20 - Star Matchup Cards
A set of matchup cards to practice adding within 20.
- Plus Plan
Addition Up To 20 - Owl Matchup Cards
A set of matchup cards to practice adding within 20.
- Plus Plan
Addition Up To 20 - Monster Matchup Cards
A set of matchup cards to practice adding within 20.
- Plus Plan
Ladybug Addition and Subtraction Activity
A fun and simple adding and subtracting activity.
- 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
Open-Ended Math Problem Solving - Grades 1, 2, and 3 (PowerPoint Version)
A PowerPoint with 20 open-ended problem solving questions covering a range of mathematical concepts.
- Plus Plan
Picture Addition Worksheet
A worksheet to practice the addition strategy of counting on.
- Plus Plan
Dinosaur Math - Addition and Subtraction (Version 2)
Solve the addition and subtraction number sentences to color the dinosaur.
- Plus Plan
Number of the Day Warm-Up PowerPoint
A 30-slide editable PowerPoint Template for a 'number of the day' warm up.
- 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
Counting On 2 and 3 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting On 2 and 3' addition strategy.
- Plus Plan
Counting On 1 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting On 1' addition strategy.
- Free Plan
Taking From 10 - Number Facts Board Game
Practice the "Taking from 10" subtraction strategy with this board game.
- 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
Doubles Subtraction - Number Facts Board Game
Practice the subtraction strategy "Doubles Subtraction" with this board game.
- 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
Number Matching Puzzle – Addition
A hands-on game to play when learning about adding larger numbers.