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.
- Plus Plan
The Addition Quest – Whole Class Activity
Find the hidden gems and place their numbers into the correct positions on the worksheet to solve each addition problem.
- 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
Grade 1 Daily Warm-Up – PowerPoint 2
Bring on the day’s lessons with math and English activities that get students excited about learning.
- Plus Plan
Addition Strategies: Using Doubles Worksheet
Practice the doubles addition strategy to solve addition problems to 20.
- 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
Addition Strategies: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
- Plus Plan
Math Mazes – Making Ten
A set of mazes where students find missing addends to solve the maze.
- Free Plan
Ten Frame Mats (Single and Double)
A ten frame mat and a double ten frame mat to use in a variety of ways.
- Plus Plan
Roll, Add, and Color - Easter Basket
A fun roll, add, and color sheet featuring an Easter basket.
- Plus Plan
Roll, Add, and Color - Easter Bunny
A fun roll, add, and color sheet featuring an Easter bunny.
- Plus Plan
Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
- Plus Plan
Bump! Addition to 10 Game
A board game to practice addition facts to 10.
- Plus Plan
Add and Reveal PowerPoint – Addition Practice
A PowerPoint for students to interact with when practicing addition facts.
- Plus Plan
Number Chart – 1-50
A bright number chart representing numbers 1-50.
- 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
Addition Strategy - Decompose, Then Make 10 Worksheet
Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.
- Free Plan
Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
- Plus Plan
Tens Frame - Addition and Subtraction Match-Up Activity
Build addition and subtraction skills with two tens frame matching games.
- Plus Plan
Ten is a Match! - Memory-Style Game
Practice matching two numbers that add up to 10 with this set of 24 number cards.
- Plus Plan
Making Ten Cut and Paste Worksheet
A cut and paste worksheet to practice finding the missing addend when making ten.
- Plus Plan
Number Talks - Fluency to 20 Task Cards
Build number sense skills with this set of 24 task cards.
- Plus Plan
Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
- Plus Plan
Word Problem Task Cards: Addition and Subtraction Within 10
Practice addition and subtraction within 10 with this set of 18 word problem task cards.
- Plus Plan
Number Talks - Target Number Task Cards
Build number sense skills with this set of 20 task cards.
- Plus Plan
Number Talks - Subitizing Task Cards
Build number sense skills with this set of 30 subitizing task cards.
- Plus Plan
Plus One and Minus One Math Machine Worksheet
A worksheet to practice generating a number that is one more than or one less than another number.
- Plus Plan
Target Number Math Warm-up Activity
A great math warm-up activity where students brainstorm number sentences that equal a 'target number'.
- Plus Plan
Friends of 20 – Addition Match-up Activity
A set of 40 matching cards to explore the number combinations of 20.
- Plus Plan
MLK Day Hidden Message - Lower Grades
Practice addition and subtraction facts within 20 to uncover a meaningful quote.
- Plus Plan
Spot the Dots Subitizing 1–10 Activity
A set of 1-10 subitizing cards that can be used in a variety of ways.