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Curated OER
Math Squares
It's Sudoku for beginners! Well, not exactly, but these math squares offer a fun way to practice addition for your students. Each of the sixteen 3x3 squares has four numbers filled in. Scholars add the numbers across...
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
Decimal Addition
Use this guided set of equations to help scholars add double-digit numbers with decimals. They examine two examples before trying these on their own, many of which require regrouping. All of these have decimals to the hundredths place....
Pedago Net
Math Games Using Dice and Cards to Promote Mental Strategies
Develop mental math skills using these fun partner games. Covering basic operations, each one offers differentiation options, extension ideas, and clear directions. Dice or cards is all you'll need to keep kids' attention as they...
Curated OER
Add 29, 39, 49 To Any 2-Digit Number
In this addition learning exercise, students solve 18 problems in which the number 29, 39, or 49 is added to a two digit number. There are no hints or examples. Problems are in horizontal format for mental math.
Curated OER
Model Addition to 100
In this addition worksheet, students solve 6 word problems using the numbers 1-100. The first 2 problems are set up as a guide.
Curated OER
Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Curated OER
What's Missing?
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
Curated OER
Santa's List Sums (E1)
In this adding single digit numbers worksheet, students observe a chart of street names, boys, and girls and add the total number of boys and girls on each street, the total number of children, and the total number of each sex. Students...
Curated OER
Mental Math Skills
In 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
Counting Groups of Ten 1
In this counting sets of ten worksheet, learners count groups of ten, write the two-digit numbers, and add the extra units. Students solve 9 problems.
Curated OER
Addition: 1-Digit With Regrouping
In this addition worksheet, students complete a set of 80 problems, adding one digit numbers. Problems require regrouping and are set up 16 per page. Answers are included.
Curated OER
Addition: Exercise 4
In this addition learning exercise, students add one digit to two digit numbers without having to carry over. There are thirty problems. Students can complete this online and submit the answers.
Curated OER
Addition with Three Arguments
In this addition practice activity, students solve 40 problems that require them to add 3 addends. The addends have 1 and 2-digit numbers.
Curated OER
Reversing Numbers
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
Curated OER
Napier's Rods
Young mathematicians explore the concept of multiplication using Napier's Rods. They use Popsicle sticks to create a 3D model of Napier's Rods. Pupils multiply multiple digit numbers using Napier's Rods.
Curated OER
Missing Numbers: Addition and Subtraction
In this missing numbers activity, students fill in missing numbers to complete a set of 8 problems using addition or subtraction. A reference web site for additional resources is given.
Curated OER
Measurements: Inches
Children solve problems involving measurement using information taken from various items measured (wooden blocks and boxes). This is a particularly good lesson plan to use when introducing how to use a ruler and how to add inches...
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 3)
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text,...
Google
Art: Paint with Tera
Here's a creative resource that definitely isn't paint by numbers. As the fourth in and eight-part Art series, learners create a paint program using the Scratch block code. By completing the activity, class members come to understand the...
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Santa's List Sums (Ii)
For this adding single digit numbers worksheet, students observe a chart of street names, boys, and girls and find the total number of boys and girls on each street, the total number of children, and the total number of each sex....
Curated OER
Santa's List Sums (Hi)
In this adding single digit numbers activity, students observe a chart of street names, boys, and girls and find the total number of boys and girls on each street, the total number of children, and the total number of each sex. Students...