Curated OER
Prime Numbers: Eratosthenes' Sieve
By offering a step-by-step explanation of how to identify prime numbers, this presentation would be a terrific way to give learners a visual example of prime numbers. This is a simple, and easy way, for students to understand the "why"...
DK Publishing
Numbers 1 to 20
Practice writing numbers with fun kites. Kindergartners will rise to the highest height as they match the numbers to their correct written forms: 11 to eleven, 14 to fourteen, etc. Use this resource as a class activity or as a review...
Curated OER
Find 2/3
This short problem with representing fractions on a number line is more than meets the eye. Labeled only with the numbers zero and 1/4, a number line is used to locate the fraction 2/3. A solution can be found in multiple ways, but young...
Curated OER
ABC and 1-2-3 Farming
Students demonstrate how to alphabetize animal names. In this word study lesson, students identify animals that live on the farm and conduct a favorite farm animal survey. Students order animal pictures in alphabetical order.
Curated OER
Rounding Mixed Numbers
Is your class having trouble with mixed numbers and rounding to the nearest whole number? Use this instructional activity in your fractions unit to help struggling math students with this tricky skill. An example demonstrates how to...
Curated OER
Locating Fractions Greater than One on the Number Line
Supplement your lesson on improper fractions with this simple resource. Working on number lines labeled with whole numbers between 0 and 5, young mathematicians represent basic improper fractions with halves and thirds. The fractions...
Illustrative Mathematics
3-D Shape Sort
From the apple on your desk and the coffee cup in your hand, to the cabinets along the classroom wall, basic three-dimensional shapes are found everywhere in the world around us. Introduce young mathematicians to the these common figures...
Curated OER
To Half or Half Not
Jump into equivalent fractions using these fun scenarios for mathematicians to solve. First, they use geoboards to find different ways to divide a rectangle in half. Then, an alien from the planet Fractional is after one half of their...
Curated OER
Writing Numbers With Song
In this lesson plan, Writing Numbers With Song, students practice writing their numbers 1-5. Students sing the numbers song and explore how to draw the numbers 1-5 in the song. Students practice drawing their numbers after the teacher...
Curated OER
Multiplication and Division Pick 'n' Mix 2
Fifth graders practice a wide range of strategies for solving multiplication and division problems with whole numbers and decimal fractions. They interact with operations on decimals, relevant size and place value of decimals to three...
Curated OER
Closest to 1/2
Using a number line, pupils are asked to identify which of four fractions is closest to one half. Includes a single problem that can serve as a practice problem or formative assessment for 3rd or 4th graders learning to partition number...
Curated OER
Place Value of Whole Numbers Through One Million
Third graders construct numbers to the millions place. In this 30-page place value instructional activity, learners create numbers and evaluate the place value of digits. They explore standard and expanded form of numbers. An incredible...
Curated OER
Smiling at Two Digit Multiplication!
How do I solve a two-digit multiplication problem? Your class tackles this question by walking through problem solving methods. They first investigates and applies traditional multiplication methods, and they then compare those with...
Curated OER
Identifying Patterns
Find the pattern! Eighteen number sequences challenge scholars to identify and complete the pattern, adding at least four digits to the given numbers. All the sequences here involve skip counting by various single-digit numbers,...
BW Walch
Creating Linear Equations in One Variable
The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....
Curated OER
Multiplication of Whole Numbers
Rather than simply have your scholars memorize multiplication facts, be sure they understand the process behind each equation. There are four arrays of objects here; mathematicians write a multiplication sentence for each. Next, they...
Curated OER
Rational and Irrational Numbers 1
You'll need scissors, glue sticks, and mini whiteboards for this activity on rational and irrational numbers. Learners work in groups to classify a variety of expressions as rational or irrational. They are also given a mock discussion...
Curated OER
Ordering Sets of Two
Place value is important as scholars begin ordering larger number based on their values. They order seven sets of numbers, ranging from three digits to seven digits. Then, they complete a word problem by examining four town populations...
Curated OER
Identifying Patterns
Although this fractions exercise may seem difficult at first, it's really quite simple and intended for beginners to mixed numbers. Scholars complete 15 number sequences by adding two or three mixed numbers or decimal numbers. However,...
Curated OER
Identify Patterns
To complete these number patterns mathematicians must determine by what number each is constantly increasing. However, this isn't your typical skip counting; scholars count by numbers like 18, 60, and even 101 to fill in the missing...
Curated OER
We're Counting At The Zoo!
Budding mathematicians use sets of concrete materials to represent, count, and match quantities to 10 or more given in verbal or written form while participating in hands-on activities. This lesson uses the book 1, 2, 3 To The Zoo.
Curated OER
Putting Numbers in Order, Numbers up to 100
Party with number balloons! Young learners study four groups of illustrated balloons with numbers on them, and write the numbers in sequence from smallest to greatest, or greatest to smallest. For extra fun, have them color the balloons...
Curated OER
Ordering Large Numbers: Numbers up to 9,200,000
Once learners understand place value, they can put all kinds of numbers in order - even eight-digit numbers! Fourth graders put groups of five numbers in order from smallest to largest. After they finish, they decipher a word problem and...
Curated OER
Comparing Numbers Up to 10 Guided Lesson
Kindergartners demonstrate their ability to identify which numbers are the largest, the smallest, and equal to other numbers using this one-page learning exercise. They must also count the total numbers in a series.