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...
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Inverse
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
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Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
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Add 1 digit to 2 digits
Walter the frog tells the class to use their number bonds (fact families) to help them add single digit to double-digit numbers. With the guidance of a number line they will count on as Walter hops to the answer.
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Once Upon A Math Story
Students write a math story. In this math operations and writing lesson plan, students work in small groups to brainstorm ideas for a math story, write a rough draft, revise their story, edit their story and add clip art. Students read...
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Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value instructional activity, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates....
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Math in English Skills IV Exercise Book: Multi-Digit Addition, Subtraction, Multiplication and Division
No one can deny the relationship between addition, subtraction, multiplication, and division. However, it's not always easy for learners to see the connection between basic operations. Help your class by providing them with an entire...
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Basic Mathematical Operations Using Math Tiles
Practice addition, subtraction, multiplication, and division using tiles as manipulatives. In this math operations lesson plan, young learners choose the appropriate sized tiles, arrange them according to directions given by the teacher,...
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Word Problems that Use All Operations
These word problems put your mathematicians' skills to the test. They utilize addition, subtraction, multiplication and division knowledge to solve 10 math scenarios. There's room for them to show work, and these all end up as...
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Math Game Using A Tic-Tac-Toe Board
Elementary schoolers play a math game using a Tic-Tac-Toe Board. This simple idea can be used with virtually any grade level. A team of learners are the "O's," and the other is the team of "X's." Each time a team gets a problem correct,...
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Number Bonds to 20
Showcase all the different ways one can pair numbers, resulting in an answer of 20. Cute images such as, a cup and water, tennis racket and ball, and a soccer ball and net help kids make the addition connection. This is a great...
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The Happy Game
The Happy Game will make your students smile! They play this game to review basic math concepts such as, finish the pattern, even and odd numbers, addition, subtraction, and word problems. Tip: Use this PowerPoint as a template to create...
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Math: Basic Number Operations
In this math learning exercise, students answer 175 questions by applying basic math operations to simple calculation and word problems.
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Subtraction Word Problems #1
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
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Match the Number Sentence!
Matching number sentences to their visual equivalents may seem easy, but there is a trick here to keep your learners thinking about math properties. As they examine the numerical forms of six addition problems, they must utilize the...
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Mixed Tables
Who knows how to operate these multiplication machines? Young mathematicians examine five machines, each with a specific function (i.e. x3) to transform the input numbers to output numbers. They send five numbers through each machine,...
DK Publishing
Writing Equivalent Number Sentences
Connect the four operations with a series of number sentences. After studying the examples at the top of the page, third graders find ways to write related number sentences for addition, subtraction, multiplication, and division...
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Fact Families
These fact families need to be completed. Scholars use addition and subtraction to complete four number sentences for each set of three numbers. The sentences are all part of the number set's fact family, and demonstrate the commutative...
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Counting by 3s, 4s, and 5s
Skip count along the mushrooms to complete these number sentences which give young scholars an introductory look at addition and subtraction. Starting from five double-digit numbers, they subtract or add by threes, fours, and fives to...
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Frogs Hopping by 2s
Hop to it! Beginning counters fill in water lily number sequences as a frog "hops" across them, skip counting by twos. There are five sequences in total, and some require counting backward. Learners can reference the two examples, which...
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Comparing Fractions
Master fractions and mixed numbers. Third graders study pairs of fractions and mixed numbers, then circle the largest of the two. In the second section, fractions are represented by shaded shapes. Excellent for assisting learners who...
DK Publishing
Number Riddles - Word Problems
Although this set of 16 word problems aren't the most riveting, they give clear practice opportunities for learners to solve missing factor and dividend problems. Each scenario is only a sentence or two, and some don't even involve...
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Subtraction Practice, Part 2
For a quick subtraction drill, these 17 problems are a great addition to your math lesson. All problems use multiples of ten, ranging from 10 to 90. Use the activity as a timed quiz or more thorough review assignment.
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Grade 2: Exploring Place Value
Creative problem solving is fun and helps kids conceptualize content. They use grid paper, manilla paper, and markers to cut, draw, and show given double-digit numbers as many ways as they can.