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
Roll It! Operations Game
Use this fun game to practice all four operations and/or order of operations.
- Free Plan
Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
- Plus Plan
Addition and Subtraction Within 20 – Worksheet
Use this worksheet with your students when exploring addition and subtraction within 20.
- Plus Plan
Tens Frame - Addition and Subtraction Match-Up Activity
Build addition and subtraction skills with two tens frame matching games.
- Free Plan
Ten Frame - Printable Templates
Print a set of 10 blank ten frames to use in various math lessons.
- Free Plan
Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
- Free Plan
Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
- Plus Plan
Math Graphic Organizers - Printable Work Mats
Practice working on specific math concepts with our set of 5 printable math graphic organizers.
- Free Plan
Bump! Subtraction to 10 Math Game
Practice subtraction facts to 10 with a fun printable subtraction board game.
- Plus Plan
Subtraction with Ten Frames - Worksheet
Model and subtract numbers to twenty using ten frames with a handy ten-frame subtraction worksheet.
- Plus Plan
Making Ten Memory Game
Practice making ten using ten frames with this fun memory game.
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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.
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Addition and Subtraction Word Problems - Match Game
Practice reading, modeling, and solving addition and subtraction word problems with a matching activity.
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Basic Subtraction Word Problems - Worksheet
Solve subtraction word problems by drawing picture models with a printable subtraction worksheet.
- 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
Addition and Subtraction Word Problem Task Cards - (Numbers 1-9)
Use a range of addition and subtraction strategies to solve twenty single-digit word problems.
- 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
Number Chart – 1-20
A bright number chart representing numbers 1-20.
- Free Plan
Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
- Plus Plan
Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
- Plus Plan
Picture Addition Worksheet
A worksheet to practice the addition strategy of counting on.
- Plus Plan
Doubles - Number Facts Board Game
Practice the doubles addition strategy with this board 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
Rainbow Number Facts (Making 10) - Board Game
Practice the addition strategy of making ten with this board game.
- 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 within 20 Interactive Resource
Practice solving one-digit and two-digit addition problems using a variety of addition strategies with this interactive activity.
- Plus Plan
Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
- 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 Using Picture Models Worksheet
Practice subtracting numbers to 12 using picture models with a printable subtraction worksheet.
- Plus Plan
Number Bonds Subtraction - Worksheet
Practice subtraction using number bonds with differentiated number bond worksheets.
- 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.