Alabama Learning Exchange
Classifying Complex Numbers
Imaginary numbers are a real thing. Scholars learn about complex numbers, real numbers, and imaginary numbers. They classify given numbers as strictly complex, strictly real, or strictly imaginary in an individual or group activity.
Illustrative Mathematics
Numbers in a Multiplication Table
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
American Library Association
Even and Odd Numbers: Lesson Plans and Sample Problems
If your youngsters are new to numbers, here are several interactive strategies to get them thinking about even and odd numbers. For example, they can count the number of desks, people, etc. in the room and determine if it is even or odd....
Curated OER
Write the Missing Numbers
Which numbers are missing on these hundreds charts? Beginning counters fill in the blank squares in a set of hundreds charts. One simply has the numbers 1 and 100, while the others are missing every other number, only even numbers, or...
Curated OER
Measuring Mixed Numbers
Mixed numbers can be added conceptually, algorithmically, and physically. Have the class visualize mixed numbers by adding fraction bars together. They then discover the algorithmic process that simplifies adding mixed numbers. Finally,...
Curated OER
Comparing Numbers
Young math whizzes compare forty-eight sets of numbers and write the correct sign, <, >, or = for each set of numbers in the box provided for each one.
DK Publishing
Putting Numbers in Order, Numbers Up to 9,900
Put these big numbers in order! Fourth graders review the example at the top of the page before putting 16 sets of 4-digit numbers in order from smallest to largest. You can cut the three sections of problems into strips of paper for...
Curated OER
Feed The Whole Class
Students solve word problems and determine quotients of fractions and mixed numbers. They practice multiplying fractions by increasing a recipe found on a food website. In addition, they increase the numbers to feed the whole class a...
Curated OER
Graphs that Represent Data Sets
These four scenarios all contain graphable data; can scholars match them to the correct bar graphs? All the data is in single-digit whole numbers. Some of the scenarios instruct kids to make a graph, while others don't. Clarify...
Illustrative Mathematics
Naming the Whole for a Fraction
How many different ways can you represent a whole? In a picture that represents six parts (two of which are shaded), learners are asked to label the parts appropriately to show how three different mathematical interpretations can be...
Curated OER
Comparing and Ordering Fractions, Mixed Numbers, and Decimals
Create your own fraction kits by folding and labeling paper using fraction vocabulary. Learners then work in groups to use these in comparing and sequencing both whole numbers and fractions. They also create unit cubes and develop an...
Curated OER
Put The Numbers into Order
This presentation should provide good practice for youngsters who are just learning how to count larger numbers, and how to use a number line. In it, learners are given sets of four numbers. They use their computer mouse to click on the...
Scholastic
Study Jams! Prime & Composite Numbers
Prime or composite, that is the question. Teach your class how to find the answer with this step-by-step presentation that defines and provides examples of each type of number. When addressing larger numbers, divisibility rules are...
Curated OER
Sets Of
Represent multiplication as sets of items for beginners to this concept. They look at six familiar object sets and determine the total number of legs by counting the sets. There is some scaffolding here, as the first is done for them and...
New York City Department of Education
Rational Numbers
Order up a unit on rational numbers. A unit overview gives a basic outline of instruction and activities on rational numbers for the 7.NS domain. A performance task on profits at pizzerias assesses understanding of the concepts in the...
Curated OER
Study Buddies: Rounding Whole Numbers
Third and fourth graders work with a coach to round whole numbers to the nearest 100, 1000, and 10,0000. They follow a step-by-step process and notes are provided for the coach.
Math Drills
Subtract Mixed Numbers w/Like Denominators (H)
Looking to give your upper elementary schoolers some quick practice subtracting mixed numbers? Give each learner a copy of this sheet, and set the timer! There are 18 problems shown, and the second page contains the answers.
Illustrative Mathematics
Irrational Numbers on the Number Line
There are four irrational numbers that participants need to graph. Pi(π), -(½ x π), and √17 are easy to approximate with common rational numbers. On the other hand, the commentary describing the irrational number 2√2 is not clear. It...
CK-12 Foundation
The Real Numbers: Union and Intersection of Sets
Not everyone can get what they want in a smoothie. Learners determine the fruit they can place in a smoothie given constraints and preferences. The union and intersection of sets must be taken into consideration.
CK-12 Foundation
The Real Numbers: Surjections, Injections and Bijections
Inject a great interactive into your lesson plans. Scholars learn about injections, surjections, and bijections of sets. They use an interactive that shows an example for each of these relationships between sets.
NASET
IEP Goals, & Objectives with Common Core State Standards
Creating IEP goals and aligning those goals with Common Core State Standards just got a whole lot easier. Designed for smart phones and tablets, this resource permits instructors and resource teachers to design programs for individuals,...
Curated OER
Multiply by Two-Digit Numbers
If it's a simple set of two-digit multiplication problems you need, you've found it! There are 16 problems here, each with two double-digit factors. Learners find the products and regroup. There are examples to get them started, but none...
Curated OER
Fill in the Missing Numbers
What comes next? Drill your new counters as they fill in a blank space when given two consecutive numbers. Each page features four sets of numbers, and learners fill in the third of the series. Differentiate by having beginners fill in...
DK Publishing
Learning 19 and 20 - Write the Numbers
As the last exercise in your counting study from 1-20, this worksheet focuses learners on the numbers 19 and 20. They begin by tracing each numeral and then printing them once on their own. Next, youngsters count sets of bugs on leaves...
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