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Curated OER
Addition and Subtraction Facts to 20
Students act out computation problems. In this addition and subtraction lesson plan, students act out an addition story and write an addition sentence for it. Students continue this activity and answer the provided questions.
Curated OER
Fact Families
With a few extra numbers, these fact families would be complete! After looking at an example, scholars write in the sums and differences for six equations as part of three different fact families. This is really for beginners to this...
Curated OER
Fact Families PowerPoint
Using an attractive and easy to follow format, this presentation offers an overview of the concept of a fact family. The areas covered include addition, subtraction, multiplication and division. In addition, the slides show...
Illustrative Mathematics
What’s Missing?
Now you see them, now you don't! This fun peek-a-boo activity engages young mathematicians in developing their ability to compose and decompose numbers. After being presented with a series of counters, children close their eyes while the...
THUP Games
Monkey Math School Sunshine
Hang out at the beach and listen to some relaxing tunes, all while developing basic math skills. An endless source of fun and learning for young children!
Curated OER
Addition and Subtraction: numbers to 20
Does your school encourage learning math facts or fast facts? If it does you can definitely use this resource. There are 20 lists, each list contains 10 problems, and each problem set focuses on adding and subtracting specific numbers,...
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Alexander Used to Be Rich
Reading Alexander, Who Used to Be Rich Last Sunday, launches this lesson appropriate for children who recognize coins and have been introduced to coin values. Using addition and subtraction skills, the class tracks Alexander’s spending...
Curated OER
Native American Pebble and Pot Game
Learners participate in a game using 12 manipulatives. In this addition and subtraction lesson plan students play a game originated by the Native Americans and look at a number of items and calculate how many are hidden....
Curated OER
Nutty Numbers
In this fact families worksheet, 1st graders solve 6 problems in which the missing numbers in addition and subtraction fact families are written in the nut shapes.
Curated OER
Two-Digit Addition and Subtraction (R)
In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
Curated OER
Two-Digit Addition and Subtraction (Q)
In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
Curated OER
Addition and Subtraction Practice
In this addition and subtraction worksheet, students add and subtract numbers 0 through 19. Students complete 22 problems on each of the 11 pages.
Curated OER
Using Fact Families
In this math worksheet, students write two addition problems and two subtraction problems for each fact family. Students also write in the missing addition or subtraction sign and answer 6 questions about a word problem.
Illustrative Mathematics
Kiri's Mathematics Match Game
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
Curated OER
Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Curated OER
Addition and Subtraction in Center Time
First graders complete center activities as they practice their addition and subtraction skills. They listen to Rick Walton's, "How Many, How Many, How Many" before playing games, and completing addition and subtraction worksheets at...
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.
Curated OER
Addition and Subtraction in Center Time
First graders use bean bags, dominos, number trains, counters, paper clips, flashcards, beads and more in a variety of centers to practice basic addition and subtraction facts.
Curated OER
Fact Families
In this fact family worksheet, 1st graders complete 4 sets of blanks that show addition and subtraction fact families. They examine 3 sets of numbers and determine which one shows the fact families that go with the numbers 5, 2, and 7.
Curated OER
Inverse Relationships (5)
In this addition and subtraction fact family worksheet, learners use the numbers given to fill in the missing numbers in each pair of fact families. Students solve 60 problems.
Lakeshore Learning
Math Facts Practice
They say practice makes perfect, and learning basic math skills is no exception. Support your mathematicians with developing their fluency with addition, subtraction, multiplication, and division using this set of practice problem...
Curated OER
Fact Families
There is something to be said for fact families. Classmates read problems and write related fact families and number sentences. There are 6 wonderful problems to solve.
Curated OER
Add and Subtract within 100- Matching Worksheet
There are seven word problems here which test your class's basic addition and subtraction skills. Answers are listed on the right, but they must find the correct one and record the corresponding letter next to the problem. Consider doing...