Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 instructional activity, learners become the manipulatives and line up to show the number stories.
Illustrative Mathematics
The Pet Snake
Assess how long the class pet snake grew and how long it was when it started growing with a short worksheet. Learners use addition and subtraction strategies with measurements to answer three questions.
Curated OER
20 Questions: Math Questions
Here are 20 questions just waiting for a class to complete them. Each of the problems is either subtraction or addition, under or up to 20. Learners complete each question, then exchange papers for a peer to grade. Answers are included.
Curated OER
Common Core State Standards 1st Grade Math
Here are the complete set of the math practice standards and the Common Core standards for first grade. They cover operations & algebraic thinking, operations in base 10, measurement and data, and geometry. Illustrated nicely with...
Curated OER
Addition and Subtraction Snack Search
In this addition and subtraction worksheet, students solve 33 addition and subtraction problems where they circle the problems that are correct in order to draw paths for an elephant, a horse, and a polar bear to reach their snack.
Curated OER
More and Less
Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...
Curated OER
Using Doubles
Bring this easy shortcut to your first grade addition lesson! By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
Curated OER
Amusement Park Basic Word Problems
An interesting set of addition and subtraction word problems awaits your eager learners. This worksheet includes 4 amusement park themes problems to solve.
Curated OER
Addition and Subtraction Word Problems Guided Lesson
Using visuals helps young mathematicians grasp concepts such as addition and subtraction. Here, they use just that to solve three scenarios. In the first scenario, three turtles leave a group of five, and learners determine how many are...
Alabama Learning Exchange
Mix it Up! Exploring the Commutative and Associative Properties of Addition
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
Curated OER
Related Addition and Subtraction
Can your scholars match these fact families? There are eight number sentences listed here, both addition and subtraction. Learners scan a list of eight other equations, matching each original with one that is in its fact family. All...
Curated OER
Turtle Coloring Puzzle (Addition and Subtraction Facts to 5)
Combine addition and coloring with this simple worksheet featuring a picture of a turtle. Learners color by number, but they must find the sum or difference of simple addition and subtraction problems to find each number. There are 13...
Curated OER
Addition
Looking for addition drills for your scholars to practice adding one and two-digit numbers? You've found it! Mathematicians examine an example before finding the sum of 16 equations, each of which involves one 2-digit addend and one...
Curated OER
Everyday Math
Students discuss word problems involving time and money. In this mathematics lesson, students solve word problems as a class focusing on addition, subtraction, multiplication, and simple fractions. Students then make their own word...
Curated OER
Math in English Skills VII Exercise Book
A great way to help struggling learners with long division is to provide graph paper. These worksheets provide handy boxes to help kids keep all that great work in the right order. It also provides over 20 worksheets to help pupils...
BBC
Simple Addition and Subtraction
Here is a wonderful lesson plan designed for young mathematicians. In it, they employ simple addition and subtraction strategies in order to solve word problems. There are some excellent activity sheets embedded in the plan to make the...
Curriculum Corner
“I Can” Common Core! 1st Grade Math
Any first grader can master the Common Core math standards with this checklist! With each standard rewritten as an affirmative I can statement, children are provide with clear goals to work toward throughout the school year.
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Curated OER
Three Digit Addition and Subtraction (C)
In this addition and subtraction worksheet, students enhance their addition and subtraction skills by solving the 49 3-digit equations.
Curated OER
Three Digit Addition and Subtraction (F)
In this addition and subtraction worksheet, students enhance their addition and subtraction skills by solving the 49 3-digit equations.
Curated OER
Three-Digit Addition and Subtraction (T)
In this addition and subtraction worksheet, students enhance their addition and subtraction skills by solving the 49 3-digit addition and subtraction problems.
Curated OER
Two-Digit Addition and Subtraction (G)
In this addition and subtraction worksheet, students enhance their math skills by solving the 49 2-digit addition and subtraction problems.
Curated OER
Two-Digit Addition and Subtraction
In this addition and subtraction activity, learners enhance their math skills by solving the 49 2-digit addition and subtraction problems.
Curated OER
Two-Digit Addition and Subtraction (J)
In this addition and subtraction worksheet, 1st graders enhance their math skills by solving the 49 2-digit addition and subtraction problems.
Curated OER
Two-Digit Addition and Subtraction (H)
In this addition and subtraction worksheet, students enhance their math skills by solving the 49 2-digit addition and subtraction problems.