Activity
Illustrative Mathematics

Hundred Chart Digit Game

For Teachers K - 2nd Standards
Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...
Lesson Plan
Illustrative Mathematics

Number of the Day

For Teachers K - 2nd Standards
Daily routines not only help to manage classrooms, they can also provide students with rich opportunities for learning. This activity supports young learners in developing their number sense by counting up the school days on a class...
Lesson Plan
Curated OER

Color Me Red If I Am a Ten

For Teachers K - 1st
Students count aloud by tens. They use a number chart to color in every number that ends in a zero and then participate in choral counting by tens.
Worksheet
Curated OER

Number Chart 3

For Students K - 1st
In this number sequence worksheet, students fill in the missing numbers in a chart from 0 to 100. There are several numbers provided that will help students.
Worksheet
Curated OER

Number Chart 6

For Students K - 1st
In this number sequence worksheet, students fill in the missing numbers in a chart from 1 to 100. There are several numbers provided as clues.
Lesson Plan
Curated OER

Counting with Base - Ten Models

For Teachers 1st - 2nd
Help your kids develop strategies for counting. In this base-ten lesson, learners use matching cards, base 10 blocks, and dry erase markers and boards to examine the base 10 counting system.
Lesson Plan
Curated OER

Twenty Questions: The Hundred Chart

For Teachers 2nd - 6th Standards
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
Lesson Plan
Curated OER

Introduce Vocabulary: Kindergarten Count to 100

For Teachers K
During read-aloud of Kindergarten Count to 100 by Jacqueline Rogers, children listen for context clues about vocabulary that includes the words "first," "second," and "third." I love the way vocabulary development skills are integrated...
Worksheet
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Curated OER

Write the Missing Numbers

For Students K - 2nd Standards
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...
Lesson Plan
Scholastic

Adding and Subtracting Ten

For Teachers K - 2nd Standards
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Worksheet
Curated OER

Number Chart 1

For Students 1st - 2nd
In this number chart worksheet, students fill in the blank for the missing numbers 0 through 99. Students have to fill in 49 missing numbers.
Worksheet
Curated OER

Counting to 100

For Students K - 1st
In this counting worksheet, students identify and count the numbers up to and including one hundred. They fill in the number chart with the correct number missing. This will give them great counting practice and would be a fun worksheet...
Worksheet
Curated OER

Number Chart 1

For Students 1st - 2nd
In this fill in the blank activity, students have to fill in the missing numbers that do not appear in the number line from 0 to 100. Students have to fill in 54 numbers.
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. 
Lesson Plan
Curated OER

Hundred Number Chart

For Teachers 1st - 3rd
In this math worksheet, young scholars examine a filled-in hundred number chart. Students discover number patterns and multiples while using this chart for any math purpose.
Worksheet
Curated OER

Number Chart 1, #9

For Students 1st - 3rd
In this number chart practice worksheet, students review their counting skills as they fill in the 50 missing numbers between 0 and 99.
Lesson Plan
Curated OER

How Many Ways Can You Count?

For Teachers K - 1st
Youngsters chorally count to 100 by 1s, 2s, 5s, and 10s, and backwards from 20, using chip markers and a hundreds chart. Includes a printable chart and a teacher checklist for assessing mastery.
Lesson Plan
Curated OER

100 Chart-Math Helper-Skip Counting or Multiples

For Teachers K - 1st
In this lesson, 100 Chart-Math Helper-Skip Counting or Multiples, learners utilize the chart as an aid in counting. This is a resource or manipulative that can be used by students, and is helpful in many different math activities such...
Interactive
CK-12 Foundation

Prime and Composite Numbers

For Students 4th - 8th Standards
Nine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100. 
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

Number Chart

For Students K - 1st
In this number chart worksheet, students fill in the chart with the missing number. The chart starts with 0 and goes through 99.
Interactive
Scholastic

Study Jams! Expanded Notation

For Students 3rd - 5th Standards
Teaching expanded notation is a great way to enhance young mathematicians' understanding of place value. This presentation explicitly describes the process, starting with the largest place value and working down, from left to right,...
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

Introduce Vocabulary: Kindergarten Count to 100 (Rogers)

For Teachers K - 3rd
Combine counting and vocabulary in context using Jacqueline Rogers' Kindergarten Count to 100. Suggested words for this text are: first, fountain, salute, second, and third. By introducing the terms before reading the text,...

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