Curated OER
Partitioning Numbers
Partitioning or decomposing double and triple-digit numbers is a wonderful way to build number sense and a basic understanding of place value. Here are 12 different numbers, partitioned into their base units and tens or hundreds...
Curated OER
More Partitioning - Expanded Notation and Word Form
Fourth graders fill in the missing portion of a number when it is written in expanded notation. They write the number form of five numbers that are given in word form and they write five numbers in word form.
K-5 Math Teaching Resources
Subtracting Mixed Numbers (Unlike Denominators)
Young mathematicians demonstrate their ability to subtract mixed numbers by completing this collection of fraction word problems. From figuring out the weight of objects in a package, to finding the difference in height between two...
K-5 Math Teaching Resources
Adding Mixed Numbers (Unlike Denominators)
Mix things things up in your elementary math class with a series of problem-solving exercises. Presented with a series of mixed number word problems, young mathematicians are asked to solve them by using either visual fraction models or...
Curated OER
Using Partitioning to Double or Halve Numbers
Here is an engaging presentation that challenges your mathematicians to use the techniques of partitioning and halving in order to double or half numbers. After each technique is explained, learners are given a series of numbers to try...
EngageNY
Interpreting Division of a Whole Number by a Fraction—Visual Models
Connect division with multiplication through the use of models. Groups solve problems involving the division of a whole number by a fraction using models. The groups share their methods along with the corresponding division and...
Curated OER
Partitive Division
Partitive division is when you divide a set of objects equally one-by-one. This presentation shows how six items can be divided into three boxes equally. After the concrete division process is complete, the equation is shown along with...
Curated OER
Addition Using Partitioning
Learners discover an alternative way to add numbers called partitioning. It's a way of breaking down numbers into their place values before adding them. This would be a good way of reinforcing place value when teaching addition to your...
Tech4Learning
Fantastic Fractions
Learners study how shapes can be divided into equal parts, that each part be equal to its counterpart, and combining parts equals one whole. They make the shapes out of modeling clay and take digital pictures of its parts to create an...
Curated OER
Sharing Brownies: Fractions That Represent a Fair Share
Elementary graders discover the concept of fractional pieces of a whole. They investigate the meanings of fractions in everyday life and why they are used. Pupils divide brownies amongst each other to demonstrate the use of fractions...
Curated OER
Partition Into thousands, hundreds, tens and ones
An abacus may be old, but it's still a great visual tool. Young mathemeticians look at, study and analyze 8 abacus images. They look at each image to determine how many beads are in each place value. They work with thousands, hundreds,...
Noyce Foundation
Part and Whole
Now you'll never have trouble cutting a cake evenly again. Here is a set of five problems all about partitioning shapes into a given number of pieces and identifying the fractional amount of each piece. As learners progress through the...
Curated OER
Understanding Doubles and Halves
Here is a good presentation for young mathematicians. In it, learners practice the skill of doubling numbers by simply multiplying them by two. At first, the problems are easy. By the end of the PowerPoint, they are asked to double...
Curated OER
Decomposition, Numbers, and Subtraction
Wonderful for visual learners, this presentation provides images of 10's and 1's cubes, to reinforce the concept of subtraction. Learners practice along with the teacher as 10's and 1's cubes are scratched off.
Curated OER
The Multiplier (small 2-digit by 1-digit numbers)
Second graders study digits in 2- or 3-digit whole numbers. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication, or division.
Curated OER
Partitioning 10s and 100s
For this partitioning numbers worksheet, students partition the given numbers into their hundreds, tens and units. Students write the numbers on the blanks.
Curated OER
Worksheet 1: Fibonacci Numbers
In this Fibonacci worksheet, students prove by induction the Fibonacci numbers are recursive. They find a recursive definition for a given set of numbers. This two-page worksheet contains five multi-step problems that involve proofs.
Curated OER
Multiplication Grids: Double-Digit
Kids learn how to use the grid method to solve double by single-digit multiplication problems. They take each double-digit number into its tens and units, place it on the grid, add the multiplier, then solve the problem. There are two...
Math Worksheets Land
Partitioning Circles and Rectangles - Guided Lesson
Here are three shapes which have each been partitioned into parts. Learners label the part, whole, or fraction as directed. They label each as quarters or halves.
Math Worksheets Land
Partitioning Circles and Rectangles - Matching Worksheet
This geometry idea is simple enough, but you'll need to note the typos in the directions. Learners match quarters and halves on the right to their whole shapes on the left. The shapes on the left are divided to make this concept easier...
Curated OER
The Multiplier (2-digit by 2-digit numbers)
Fourth graders Split a 2-digit number into tens and ones. They use The Multiplier to partition and solve 2-digit by 2-digit multiplications. They describe how to solve 2-digit by 2-digit multiplications using a diagram.
Curated OER
Multiplication Partitioning
In this multiplication practice worksheet, students solve 12 problems that require them to multiply 1 and 2 digit numbers by partitioning. Students also solve 2 word problems.
Curated OER
Partition into ThHTU (pg.1)
In this place value worksheet, students write the value of the underlined digit for 10 four digit numbers. Next, they write the expanded form for 5 four digit numbers using number words.
Curated OER
Partition into ThHTU (pg. 2)
In this place value activity, students write the missing number in the expanded form for 4 digit numbers. Next they are asked to identify the value of certain digits in 4 digit numbers. There are five problems for each task.