Curated OER
Mental Math Counts
Pupils use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
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Addition Doubles
In this addition doubles worksheet, students solve eighteen horizontal addition problems with addends from one to twelve, most of them adding doubles.
Curated OER
Baseball Math
First graders solve baseball-themed addition problems. Working in pairs, 1st graders drill each other on simple addition facts using baseballs. At the completion of group time, students introduce their partner and share their...
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Mental Maths
For this mental math practice worksheet, students fill in the 10 blanks as the count backwards and forward. Students also solve 20 addition problems.
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Math and Music
First graders play a variety of learning games to reinforce addition and subtraction skills.
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Addition
In this addition activity, students enhance their simple addition skills using addition strategies to solve the two worksheets of addition problems.
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It's a Fact!
Second graders participate in a variety of activities to master addition and subtraction facts.
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Addition, Single Digit Double Plus One
In this adding single digit numbers worksheet, students solve 30 problems that require them to add single digit numbers one more than them.
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Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
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The Squares of Numbers in Multiplication
Review multiplication facts and concepts! This clear, and easy to follow lesson will help your class to understand multiplication by using arrays and repeated addition. There are strategies to help with memorization and manipulative...
Pennsylvania Department of Education
Some Special Sums
Students study addition. For this math lesson, students solve doubles and doubles plus one addition facts. Students roll dice and use the numbers to create addition problems.
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Doubles Plus One: Homework
In this addition learning exercise, students find the sum of 12 "doubles plus one" problems. Students then solve a related word problem, then draw or write to explain their work.
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Double Deckers- Addition and Subtraction Practice
In this addition and subtraction worksheet, students complete number sentences using the given digits. They write an addition problem on top of a subtraction problem by filling in the blanks that are shown in pictures of double decker...
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Math Stars
Second graders study addition math facts up to 20. They have 15 seconds to answer each problem using the number keys on the keyboard to type the answer. They may choose Change Settings to make the game harder or easier. Answering them...
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It's a Fact!
Second graders investigate the concept of addition and subtraction while manipulating a variety of different resources. They focus upon the use of the games in order to keep student engagement. Then students are given the opportunity to...
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Addition/Subtraction Strategies
Third graders recall all their addition and subtraction facts to 20. They use the relevant number strategy with whole numbers. Students are taught place value in relation to decimals, and identify 'which decimal is larger.' They...
Curated OER
Find the Partners
For this addition worksheet, students complete 5 equations and then ring the correct answer: doubles, or doubles plus one. Students then write their own doubles equations.
Pennsylvania Department of Education
Seeing Doubles
Young scholars work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Young scholars represent the...
Curated OER
Math Lesson Study Plan
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
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Leaves for Our Tree
Young mathematicians review fact families and create a Math Fact Family Tree. This clever lesson plan includes some excellent printouts that support the lesson.
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Doubling Two Digit Numbers
In this addition worksheet, students add one and two digit numbers that are doubles facts. Students complete 40 addition problems.
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The Squares of Numbers in Multiplication
Learners make multiplication squares. For this math lesson, students review their multiplication facts and multiplication strategies. Learners are introduced to multiplication squares when multiplying a number by itself.
Curated OER
The Math Lesson 25
In this math skills worksheet, students enhance their addition and subtraction skills by solving the 20 pages of double and triple digit equations.
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...