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
Number Talks - Subitizing Task Cards
Build number sense skills with this set of 30 subitizing task cards.
- Free Plan
Roll It! Operations Game
Use this fun game to practice all four operations and/or order of operations.
- Free Plan
Addition and Subtraction Mat - Apple Tree
Solve addition and subtraction problems up to 10 with a hands-on apple math center.
- Free Plan
Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
- Free Plan
Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
- Free Plan
Bump! Subtraction to 10 Math Game
Practice subtraction facts to 10 with a fun printable subtraction board game.
- Plus Plan
Subtraction Using Picture Models Worksheet
Practice subtracting numbers to 12 using picture models with a printable subtraction worksheet.
- Free Plan
Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
- Plus Plan
Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet
Practice the “near doubles” addition strategy to solve addition problems to 20.
- Free Plan
Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
- Plus Plan
Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
- Plus Plan
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.
- 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
Change It! – Rearranging Parts Activity
Practice rearranging the parts of whole numbers into different combinations with this math activity.
- Plus Plan
Addition Strategies: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
- Free Plan
Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
- Free Plan
Doubles Plus One - Worksheet
Practice the doubles plus one addition strategy with this one-page worksheet.
- Plus Plan
Basic Subtraction Word Problems - Worksheet
Solve subtraction word problems by drawing picture models with a printable subtraction worksheet.
- Free Plan
Ten Frame - Printable Templates
Print a set of 10 blank ten frames to use in various math lessons.
- Plus Plan
Addition Strategies: Using Doubles Worksheet
Practice the doubles addition strategy to solve addition problems to 20.
- Plus Plan
Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
- Plus Plan
Tens Frame - Addition and Subtraction Match-Up Activity
Build addition and subtraction skills with two tens frame matching games.
- Plus Plan
Musical Equations Active Learning
A whole class active game that encourages learning through a physical setting.
- Plus Plan
Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
- Plus Plan
Addition to 20 Activity - Winter Math Puzzle for 1st Grade
Practice addition facts up to 20 with a printable winter math puzzle for kindergarten and first-grade students.
- Free Plan
Christmas Math Worksheets - Sums to 12 Activity
Practice finding number bonds and sums to 12 using printable Christmas Math worksheets for first grade.
- Plus Plan
Fact Family Houses Worksheet Pack
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
- Plus Plan
Rainbow Number Facts (Making 10) - Board Game
Practice the addition strategy of making ten with this board game.
- 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
Fact Family Math Blast Off - Addition and Subtraction
Demonstrate an understanding of addition and subtraction fact families with a fun cut and sort activity.
- Plus Plan
Sunflower Subtraction Strategies Interactive
Practice using the ten-frame subtraction strategy with a fun self-checking interactive activity.
- 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.