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
Bump! Subtraction to 10 Math Game
Practice subtraction facts to 10 with a fun printable subtraction board game.
- Free Plan
Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
- 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.
- Free Plan
Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
- Plus Plan
Fact Family Houses Worksheet Pack
Use these fact family houses worksheet set to practice addition and subtraction fact families with your students.
- Free Plan
Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
- Free Plan
Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
- Plus Plan
Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet
Practice the “near doubles” addition strategy to solve addition problems to 20.
- Plus Plan
Addition and Subtraction Word Problems - Match Game
Practice reading, modeling, and solving addition and subtraction word problems with a matching activity.
- Plus Plan
Subtraction Stew - Halloween Math Worksheet
Have some spooky subtraction fun with a Halloween picture-model subtraction worksheet.
- Plus Plan
Basic Subtraction Word Problems - Worksheet
Solve subtraction word problems by drawing picture models with a printable subtraction worksheet.
- Plus Plan
Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
- 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
CUBES Bulletin Board and Bookmark Set
Tackle word problems with this CUBES problem-solving bulletin board and bookmark set.
- Plus Plan
Add and Reveal PowerPoint – Addition Practice
A PowerPoint for students to interact with when practicing addition facts.
- Plus Plan
Target Number Math Warm-up Activity
A great math warm-up activity where students brainstorm number sentences that equal a 'target number'.
- Free Plan
Fact Family Find and Flip - Addition and Subtraction Up to 20
Addition and subtraction game cards demonstrating the relationship between fact families.
- Free Plan
Taking From 10 - Number Facts Board Game
Practice the "Taking from 10" subtraction strategy with this board game.
- Plus Plan
Near Doubles - Number Facts Board Game
Practice the "Near Doubles" addition strategy with this board game.
- 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
Pizza-Themed Near Doubles Task Cards
Practice quick recall of near doubles facts with this cute pizza-themed task cards activity.
- Plus Plan
Making Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.
- Plus Plan
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.
- Plus Plan
Exploring Subtraction Strategies Instructional Slide Deck
Explore and teach multiple subtraction strategies with an instructional slide deck
- Free Plan
Ten Frame - Printable Templates
Print a set of 10 blank ten frames to use in various math lessons.
- 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
Subtraction with Ten Frames - Worksheet
Model and subtract numbers to twenty using ten frames with a handy ten-frame subtraction worksheet.
- Plus Plan
Rearranging Parts – Worksheet
Rearrange the parts of an addition problem to form new number sentences with this worksheet.
- Plus Plan
Rearranging Parts – Instructional Slide Deck
Learn how to decompose numbers less than or equal to 10 into pairs in more than one way with this instructional slide deck.
- Plus Plan
Counting On – Instructional Slide Deck
Introduce the early addition concept of “counting on” to your students with this set of teaching slides.