PPT
Curated OER

Counting by Grouping Objects

For Teachers 2nd - 3rd
Kids can count to 100 by 2's, 5's, and 10's, it's called counting by grouping. They are presented with a variety of counting tasks, they count each set of objects by 10's, 2's and 5's then discuss which method was quickest. A challenge...
Worksheet
Curated OER

Things in Groups Puzzles

For Students 7th
For this grouping puzzles worksheet, 7th graders solve and complete 8 different problems that include grouping in various puzzles. First, they read the clues given in each box to solve the puzzle. Then, students create their own puzzle...
Lesson Plan
Curated OER

Problem Solving: 100 Board Logic Problems

For Teachers 3rd - 5th
Get mathematicians engaged with number terminology using this puzzle activity! Learners determine the selected number from a hundred board by eliminating numbers using clues. As a group, each learner has a specific role, outlined in the...
Lesson Plan
Curated OER

One Hundred Things

For Teachers 1st - 4th
Learners practice estimating by handling items in groups of ten. They visualize how much space 100 items, such as pennies, peas, or beans, will take up after holding 10 of them. Students measure the difference in volume between 10...
Lesson Plan
Curated OER

An Easier Way to Count: Using Groups of 10

For Teachers 1st - 2nd
Students explore their counting skills. In this counting lesson, students group objects in sets of 10 to practice counting them. Students also practice graphing the sets of objects they count.  This lesson incorporates the...
Lesson Plan
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Curated OER

Choral Counting I

For Teachers K Standards
Using a 100s chart or a number line with a pointer, work with your class to count up to 100 by ones and tens. As a part of daily instruction, prompt your kindergartners to chant count from 1 to 30. Move on to 1 to 50, and then from 1 to...
Lesson Plan
Curated OER

Make a 100

For Teachers 2nd
Second graders develop an understanding of 100 and the quantity for which it stands and examine the relationship between 100 and 10 by estimating the number of jelly beans in a jar.
Worksheet
Curated OER

Grouping Numbers

For Students 2nd
In this grouping numbers worksheet, 2nd graders study 3 groups of numbers, circle the sentences that best describes the numbers and then write another number that fits the group.
Worksheet
Fuel the Brain

Equal Grouping, Number of Groups & Number of Sets

For Students 3rd - 5th
Your class will enjoy solving and illustrating these word problems involving equal grouping of numbers and number sets. Your visual learners will benefit if you provide manipulatives or a hundreds board while solving.
Worksheet
Curated OER

Putting Numbers in Order, Numbers up to 100

For Students 1st - 2nd Standards
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...
Lesson Plan
K20 LEARN

Building To 100: Building And Decomposing Numbers

For Teachers 1st Standards
Following a catchy video about decomposing numbers, young mathematicians build and write numbers using dice. Class members work to create an anchor chart that displays six ways to make numbers. Beans get scooped and estimated, then...
Worksheet
Curated OER

Model Numbers to 100

For Students 1st - 3rd
In this numbers worksheet, learners solve 6 word problems, using picture models of cubes. Problems are set up using groups of ten.
Worksheet
Curated OER

Homework 2: Grouping

For Students 3rd - 4th
In this grouping worksheet, students observe models of groups. They identify the number in each row, the number in each column and then identify the total in the group. This one-page worksheet contains four grouping problems.
Worksheet
Curated OER

Learn to Count to One Hundred

For Students 1st - 3rd
In this counting to one hundred worksheet, students count ten groups of ten shoes to recognize ten sets of ten shoes equal one hundred.
Worksheet
Curated OER

100 Fruit Loops Graph

For Students K - 2nd
In this graphing Fruit Loops worksheet, students work in small groups to sort, count, and graph one hundred Fruit Loops. Students graph six colors of Fruit Loops.
Lesson Plan
Curated OER

The Counting Caterpillar

For Teachers K
A daily counting routine builds a caterpillar with 100 body segments (marked with symbols to indicate 2s, 5s, and 10s) by the 100th day of school. Provides structured repetition as part of the morning routine so that by 100th day,...
Activity
Education Development Center

Choosing Samples

For Students 6th - 7th Standards
What makes a good sample? Your classes collaborate to answer this question through a task involving areas of rectangles. Given a set of 100 rectangles, they sample a set of five rectangles to estimate the average area of the figures. The...
Lesson Plan
Curated OER

"How Many Names for 100?"

For Teachers 5th
Fifth graders work on the different possibilities of reaching the number 100. The class is divided into homogeneous groups for cooperative learning. The lesson plan uses discussion questions to help with problem solving.
Worksheet
Curated OER

Count by 5s, 10s, and 100s

For Students 1st - 2nd
There's an easier way to count! Scholars get practice counting by 5 and 10 in this skip-counting worksheet. There are 10 problems, and for each they observe a set of objects that have been grouped. Learners skip count to get a final...
PPT
Curated OER

Unidades y Decenas

For Teachers 2nd
Using examples of numbers less than one hundred, this presentation in Spanish provides a visual representation of arrays. It would be a great way to help learners understand the concept of tens and ones.
Learning
Mathwire

A Collection of Logic Number Puzzles on the Hundred Board

For Students 3rd - 6th Standards
What's my number? Spark mathematical thinking and have some fun with thirty number puzzles that pose a series of questions to guide learners towards number discovery. 
Worksheet
Curated OER

Counting by Groups of Ten, Number Line

For Students 1st - 3rd
Have your youngsters test out their abilities using a number line. Students will add to the number line by increments of ten until the solution is found!
Lesson Plan
Curated OER

High School EcoHouse Curriculum

For Teachers 9th - 12th
How has the level of carbon dioxide changed over recent years, and what is contributing it? Groups work together to research and present their findings in a creative way. Also built into the lesson is a visit to a sustainable house, but...
Lesson Plan
Curated OER

One Hundred Hungry Ants

For Teachers 2nd - 3rd Standards
Primaries read the book One Hundred Hungry Ants and solve word problems based on the book. In this word problems lesson plan, students will be able to find the factors of a number by organizing counters into equal rows.