Teks

# 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.

32 of 136 teaching resources for those 'aha' moments
• #### teaching resource

Practice addition and subtraction within 10 with this set of 18 word problem task cards.

9 pages Grades: K - 1

### Bump! Subtraction to 10 Game

A board game to practice subtraction facts to 10.

5 pages Grades: K - 1

### Addition to 10 Modeling Mats

Familiarize students with adding single-digit numbers using this set of practice mats.

4 pages Grades: K - 2

### Making Ten Cut and Paste Worksheet

A cut and paste worksheet to practice finding the missing addend when making ten.

3 pages Grades: K - 2

### Making 10 Match-Up Activity

A set of match-up cards to practice the addition strategy Making 10.

6 pages Grades: K - 1

### Missing Addend Picture Puzzle – Level 1

Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.

3 pages Grades: 1 - 2
• #### teaching resource

A set of differentiated addition worksheets.

6 pages Grades: 1 - 3

### Addition Strategies: Make a Ten Worksheet

A 2-page worksheet that uses ten frames to model the “making ten” addition strategy.

• #### teaching resource

A PowerPoint for students to interact with when practicing addition facts.

6 pages Grades: 1 - 2

### Addition Strategy - Counting On Worksheet

4 pages Grades: 1 - 2

### Ten Frame Mats (Single and Double)

A ten frame mat and a double ten frame mat to use in a variety of ways.

2 pages Grades: PK - 1

### Addition and Subtraction Work Mat

A work mat for students to use when working on addition and subtraction concepts.

1 page Grades: 1 - 3
• #### teaching resource

Practice adding 2-digit and 1-digit numbers with this set of 16 word problem task cards.

6 pages Grades: 1 - 2
• #### teaching resource

A set of 16 task cards that include word problems practicing addition and subtraction with 10.

6 pages Grades: K - 1

### Addition Strategies: Using Doubles Worksheet

Practice the “using doubles” addition strategy to solve addition problems to 20.

### Subtraction Dog – Worksheet

A set of superb subtraction dog worksheets.

6 pages Grades: 1 - 3
• #### teaching resource

Practice addition up to 10 with this set of 20 fall-themed task cards.

7 pages Grades: K - 1

### Math Mazes – Making Ten

A set of mazes where students find missing addends to solve the maze.

6 pages Grades: 1 - 2

### Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet

Practice the “near doubles” addition strategy to solve addition problems to 20.

### Bump! Addition to 10 Game

A board game to practice addition facts to 10.

5 pages Grades: K - 1

### Addition Strategy - Decompose, Then Make 10 Worksheet

Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.

4 pages Grades: 1 - 2

### Making 10 Number Bonds - Worksheet

A worksheet to practice the addition strategy of making 10.

2 pages Grades: K - 1

### Addition Strategies: Base-Ten Blocks Worksheet

Practice using the strategy of using base-10 blocks and regrouping to find the sum.

### Friends of 20 – Addition Match-up Activity

A set of 40 matching cards to explore the number combinations of 20.

11 pages Grades: 1 - 2

### Decorate a Pumpkin - Halloween Game

Practice finding sums up to 12 with this fun Halloween pumpkin game!

2 pages Grades: 1 - 3

### Ten is a Match! - Memory-Style Game

Practice matching two numbers that add up to 10 with this set of 24 number cards.

9 pages Grades: K - 2

### Addition and Subtraction Mat - Apple Tree

A hands-on activity to use with your students when learning to solve addition and subtraction problems up to 10.

2 pages Grades: PK - 1

### Cover Up! - Addition Facts Game

Develop a love of addition facts with this multiplayer Valentine’s Day board game.

1 page Grades: 1 - 2

### Counting On: Addition Strategy Worksheet

Practice the “counting on” addition strategy to solve addition problems to 20.

### Subtraction Strategies Using Addition Worksheet

Use addition to solve subtraction problems with this worksheet.

2 pages Grades: 1 - 2

### Fact Family Find and Flip - Addition and Subtraction Up to 20

Addition and subtraction game cards demonstrating the relationship between fact families.

1 page Grades: 1 - 2

### My Tens Frames - Template

A template to use when working on counting, addition and subtraction, odd and even numbers, or place value.

1 page Grades: K - 1