Curated OER
Addition and Subtraction Facts to 20
Fact families, and the relationship between addition and subtraction are the foucs of this lesson. Learners explore strategies to help with their addition and subtraction facts. They use doubles, related facts, and fact families to help...
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
Addition and Subtraction Facts to 20 - Manipulative
Here is a good instructional activity that will allow your student to practice their addition and subtraction facts to 20. They practice facts using fact cards and practice strategies such as doubles strategies, and count to 10 strategies.
DK Publishing
Spot the Doubles
Have fun with counting and ladybugs! Kindergartners count the number of spots on the first half of the bug's wings, then double the number to practice their addition skills. Have kids color the ladybugs when they're finished with the...
Curated OER
Addition Drills, part 5
Show scholars that if they can add up two addends, they can also add up three. Review the examples together before letting scholars try these 25 addition problems, each with three double or single-digit addends. Two of these add up to...
Curated OER
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.
Curated OER
Addition Drill
A basic problem-solving worksheet has scholars completing 10 addition problems. The problems each involve two addends, and have single, double, and triple-digit numbers. Once they have found the sum, they locate the number from the list...
Ahisma Summer Institute
The Power of One - Math in a Different Angle
In this 2-day lesson focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess board. Exponential...
Curated OER
1st Grade Strategy Worksheets
Enhance your first grade math curriculum with a thorough resource packet. It includes worksheets for practicing counting on and counting back, addition and subtraction facts to 10, and addition and subtraction doubles.
Curated OER
Use Doubles Facts
In this doubles facts worksheet, learners solve 8 horizontal addition problems and 8 vertical addition problems where they use doubles and doubles plus one facts. Students solve 1 test prep question where they must choose a doubles fact...
Curated OER
Mental Math Skills
For this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
Curated OER
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...
Curated OER
Mental Math Counts
Students 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...
Curated OER
Use Doubles to Subtract
In this math word problem practice activity, students sharpen their math skills as they use problem solving strategies to solve 6 problems.
Curated OER
Addition Facts Hidden Picture
In this addition hidden picture worksheet, students solve the 30 addition facts 0 to 20. Students then use their answers to color a hidden picture according to the key provided.
Curated OER
Addition, Single Digit Doubles - #1
In this single digit addition practice worksheet, learners solve 30 problems that require them to double single digit numbers.
Curated OER
Mental Maths
In this mental math practice worksheet, students fill in the 10 blanks as the count backwards and forward. Students also solve 20 addition problems.
Curated OER
Doubles Plus One Math Game
Students participate in a dice game. In this doubles instructional activity, students are paired up and use dice to create double facts. Students solve the equations.
Curated OER
Adding Doubles Facts
In this addition worksheet, students add one and two digit numbers that are doubles facts. Students complete 40 addition problems.
Curated OER
Adding Doubles Two Digit Numbers
In this addition instructional activity, students add doubles facts that are all two digit numbers. Students complete 40 addition problems.
Curated OER
Math and Music
First graders play a variety of learning games to reinforce addition and subtraction skills.
Curated OER
Multiplication: Mixed Facts
In this finding the products worksheet, students multiply one-digit numbers by one-digit numbers using mental math. Students solve 36 problems.
Curated OER
Multiplication: Mixed Facts 2
In this finding the products instructional activity, students multiply one-digit by one-digit numbers using mental math. Students solve 35 problems.
Curated OER
The Squares of Numbers in Multiplication
Review multiplication facts and concepts! This clear, and easy to follow instructional activity will help your class to understand multiplication by using arrays and repeated addition. There are strategies to help with memorization and...