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
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.
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Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
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Hide-a-Turkey Kindergarten Math Worksheet
Hide the turkeys and practice sums to ten with a fun Thanksgiving math worksheet for Kindergarten.
- Plus Plan
Thanksgiving Math Tales - Kindergarten Math Problems
Solve story problems using models with a Thanksgiving Story Problem interactive activity for kindergarten.
- 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.
- Plus Plan
Halloween Addition Worksheet
Count on to solve spooky addition problems in this 2-page Halloween Addition Worksheet.
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Part Part Whole Word Problem Task Cards and Worksheet
Explore these animal-themed part-part-whole word problems that will open discussions with your young mathematicians.
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Rainbow Number Facts (Making 10) - Board Game
Practice the addition strategy of making ten with this board game.
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Missing Addend to 10 Flashcards
Practice all the ways to make ten with this set of flashcards.
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Addition Strategies to 20 Work Mat
Practice using a variety of addition strategies to add numbers up to 20.
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Addition Pizza Near Doubles Task Cards
Practice quick recall of near doubles facts with this Addition Pizza task card activity.
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Subtraction Tarsia Worksheets- Math Puzzles
Print a set of 7 Tarsia puzzles to practice solving single-to-multi-digit subtraction problems.
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Making Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.
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Subtraction Stew - Halloween Math Worksheet
Have some spooky subtraction fun with a Halloween picture-model subtraction worksheet.
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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.
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Number Bonds Worksheet - Cut and Paste
Practice subtraction up to twenty with a cut-and-paste number bond worksheet.
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Number Bond Subtraction - Task Cards
Boost subtraction skills with printable subtraction number bonds task cards.
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Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
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Counting Backwards to Subtract - Number Fact Board Game
Practice subtracting by counting backwards with a pair of printable subtraction games.
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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.
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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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Subtraction Made Easy: Counting Back on a Number Line — Printable Poster
Provide your students with a daily reminder of the subtraction on a number line strategy with a printable anchor chart.
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Subtraction within 20 – Number Bond Worksheet
Practice subtraction strategies, including number bonds and picture models, with a printable subtraction worksheet.
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Numbers to 30 - Tens Frames - Printable
Use a printable ten frame when working on counting, addition and subtraction, odd and even numbers, or place value.
- Plus Plan
Addition and Subtraction Work Mat
Practice addition and subtraction concepts daily with a printable work mat for students.
- Free Plan
Addition and Subtraction Mat - Apple Tree
Solve addition and subtraction problems up to 10 with a hands-on apple math center.
- Plus Plan
Subtraction within 20 - Color by Number Worksheet
Reveal the mystery picture by solving the subtraction problems with a color-by-number worksheet.
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Sunflower Subtraction Strategies Interactive
Practice using the ten-frame subtraction strategy with a fun self-checking interactive activity.
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Subtraction Using Picture Models Worksheet
Practice subtracting numbers to 12 using picture models with a printable subtraction worksheet.
- Plus Plan
Pirate's Plunder - Number Line Subtraction Game
Practice using the jump strategy for subtraction from 20 with an exciting pirate-themed math game.
- Plus Plan
Subtraction Strategy Work Mats
Practice using a variety of subtraction strategies to solve problems with a set of printable subtraction work mats.
- Plus Plan
Rainbow Number Fact Cards
Practice rainbow facts with these fun fact families to ten posters for your classroom!