Worksheet
Curated OER

Reading Numbers

For Students K - 1st
Teach number value to 20 through sets of objects. Young pupils use the number given for each of the four sets to determine how many should be colored in. How many are left? There is an addition box that has been left blank so scholars...
Lesson Plan
Illustrative Mathematics

Teen Go Fish

For Teachers Pre-K - 1st Standards
Kindergartners play the classic game Go Fish as they practice identifying numbers in the teens. A fun and engaging activity that develops number recognition skills in young learners. As added support, provide cards that include both the...
Lesson Plan
Primary National Strategy

Ordering and Counting

For Teachers K - 2nd Standards
Are you in need of a 5-day unit intended to teach little learners how to count to 20? This is a well-structured complete set of lessons which employ a variety of methods to instruct learners about various ways to count from 1 to 20. They...
Lesson Plan
Curated OER

Sorting Through Life!

For Teachers K
Students sort and count objects. For this sorting skills lesson, students work in small group with various objects that can be sorted and counted in groups.
Worksheet
Curated OER

Circle the Number

For Students Pre-K - 1st
In this counting skills and number recognition worksheet, students examine 3 sets of pictured objects and identify the number of objects in each set by circling the correct numbers.
Worksheet
Curated OER

Count and Add

For Students Pre-K - K
For this counting objects and adding worksheet, students count the number of objects in each set and add the total. Students solve six problems. 
Lesson Plan
Curated OER

Halloween Counting Book

For Teachers 1st
First graders recognize and write numerals from 1 to 10. They estimate and count to identify sets with more, fewer, or the same number of objects, listen and respond to others in a variety of contexts, and take turns speaking in a...
Worksheet
DK Publishing

Sets

For Students 2nd - 3rd Standards
Do scholars understand multiplication as sets of numbers? Help them grasp this concept through groups of objects arranged as a makeshift multiplication number sentence. They examine the sets and fill in boxes to indicate how many sets of...
Lesson Plan
Curated OER

Cantor Set

For Teachers 9th - 12th Standards
Discover an interesting mathematical object that your algebra learners will enjoy investigating. Their adventure will lead them to the generation of a finite geometric series.
Lesson Plan
Virginia Department of Education

Permutations and Combinations

For Teachers 10th - 12th Standards
Counting is not all it adds up to be — sometimes it involves multiplying. The activity introduces permutations and combinations as ways of counting, depending upon whether order is important. Pupils learn about factorials and the...
Worksheet
DK Publishing

Addition: Count and Color, part 2

For Students K - 1st Standards
Introduce young counters to addition through coloring as they examine number sentences represented by sets of objects. Learners count the two addends and color in the sum by counting out the total in a final set. There is an example, and...
Worksheet
DK Publishing

Addition: Count and Color, part 3

For Students K - 1st Standards
Approach addition with sets of objects to show scholars the operation visually. There are four sets of images here arranged as addends in an addition number sentence. Learners count them and color in the total in a final set. All answers...
Worksheet
Curated OER

Learning 1 - Write the Word

For Students Pre-K - K Standards
Let's start from the beginning! Young counters complete activities focused on the number one to solidify their understanding of its value. First, they trace its word form and then try it on their own (maybe more than once, even). Next,...
Worksheet
Curated OER

Picture Counting

For Students 1st
In this counting practice instructional activity, 1st graders count the number of pictures in each set. Students write the total number in the corresponding box.
Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 3rd
Using images helps budding mathematicians grasp difficult subtraction concepts. In this set of three word problems, they examine sets of objects which are reflected in each scenario. To approach subtraction in a more accessible way, the...
Lesson Plan
Curated OER

Translucent, Transparent and Opaque Objects

For Teachers 4th - 5th
Students examine different objects. In this appearance lesson, students watch a video about translucent, transparent and opaque objects. Students work in pairs to examine a bag of objects and then discuss the results.
Worksheet
Curated OER

Classroom Objects

For Students Higher Ed
In this ESL vocabulary activity, students will focus on objects found in a classroom. Students will complete ten matching questions by connecting the picture in one column with the name of the object in the secondary column.
Lesson Plan
Curated OER

Study Buddies: Counting Back Tens and Ones

For Teachers 1st - 2nd
In this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
Curated OER

Counting Zero to Five

For Teachers K
Students are introduced to the numerals zero through five. They associate the numeral with the correct number of objects. Students comprehend the quantities zero through five showing "How many?" by counting their fingers or using a...
Worksheet
Curated OER

Count to 7

For Students Pre-K - K
In this counting worksheet, students count sets of objects, writing the number in each set. A reference web site for additional resources is given.
Worksheet
Curated OER

Stars on Clowns' Hats

For Students Pre-K - K
In this circus counting worksheet, students solve 5 problems in which stars are drawn on the front of a clown to match the number shown on each of the clowns' hats. The highest number will be 7.
Lesson Plan
Curated OER

Seeing Numbers In Tens And Ones

For Teachers 2nd
Second graders develop the skill of place values up to the tens place. They practice identifying the values of 2 digit numbers and writing the correlating values with counting. They use the example of money to make the instructional...
Worksheet
Curated OER

Use Estimation to Compare Numbers

For Students 1st - 2nd
"Take a walk" with this instructional activity and estimate how many birds, ants, turtles, flowers and children getting on a bus that you see. Based on the size of a single set of 10 objects, learners estimate how many are in the whole...
Worksheet
DK Publishing

How Many Are Left?

For Students Pre-K - 1st Standards
To help novice mathematicians understand subtraction concepts, offer them visual representations of the operation. Here, they look at sets of circles. For each of the 16 sets there is a given number they are to cross out, writing how...