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Assessment
Illustrative Mathematics

How Many Days Until Summer Vacation?

For Students 2nd Standards
On the 124th day of school, young mathematicians are asked to find out how many days are left in the 180-day school year. The teacher version to the task offers several ways the problem can be solved, and can be used to guide instruction...
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Lesson Plan
Curated OER

The Hundreds Board

For Teachers 4th - 5th
Students explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
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Worksheet
Curated OER

Hundreds Board Activity Puzzle

For Students 2nd - 4th
Have your pupils fill in boxes on a hundreds board by using their understanding of place value. This is a customizable worksheet where you can pick a starting number and your learners will have to figure out what the appropriate numbers...
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Interactive
Fuel the Brain

Hundreds Board Blanks

For Teachers K - 2nd
Have your young learners enhance their counting skills with this hundred boards learning exercise! Your class will get excited when they realize they can write in all the numbers and fill this board up!
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Interactive
Curated OER

Brain Booster

For Students 3rd - 4th
In this daily math problem activity, students complete a hundreds board activity that uses a smiley face format on the board. Students solve the addition and subtraction problems to complete the board.
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Lesson Plan
Curated OER

Subtracting With the Hundreds Place And Regrouping

For Teachers 3rd - 4th
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
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Lesson Plan
Curated OER

Skip-counting Practice

For Teachers 1st - 2nd
Students practice skip counting. In this skip counting instructional activity, students practice skip counting using hundreds boards and patterns. Students complete several examples and problems to ensure their understanding. 
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Interactive
Curated OER

Brain Booster

For Students 4th - 5th
For this daily math problem worksheet, students create a hundreds board template using the online worksheet format. Students choose their starting number and hit submit to generate the hundreds board worksheet.
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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. 
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Worksheet
Fuel the Brain

Solve Problems by Making Hundreds

For Students 3rd - 5th
If your learners understand how to group in hundreds, this learning exercise is a great way to practice this skill. The story problems ask how many groups of hundreds can be formed and if any are left over.
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Lesson Plan
National Math + Science Initative

Introduction to Decimals

For Teachers 5th Standards
Three activities make up an introductory lesson designed to create a strong foundation in comparing fractions to decimals and exploring and building decimal models. Pupils brainstorm and complete a Venn diagram to show how decimals and...
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Lesson Plan
Curated OER

Expanded Form-Hundreds

For Teachers 5th - 6th
Students write numbers in expanded form. In this expanded form instructional activity, students are shown a demonstration on the board about writing numbers in expanded form to the hundreds place. A 20-problem worksheet and answer key...
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Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
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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.
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Lesson Plan
Curated OER

Reinforcement Lesson in Place Value

For Teachers 3rd - 5th
Here is a wonderful place value game for your pupils that is played with dice. Very clear instructions on how the game is played are included in the plan. According to the author, they will "groan in disapproval" when it's time to stop...
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Lesson Plan
Curated OER

Comparing/Ordering Numbers

For Teachers 3rd
Third graders compare numbers. In this math instructional activity students compare ones, tens, and hundreds. They also order numbers from least to greatest and from greatest to least.
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Lesson Plan
Curated OER

Using Groups of Ten to Solve Problems

For Teachers 3rd - 5th
Upper graders solve math problems involving multiplication using specific strategies. They will use base-ten blocks, hundreds charts, and number lines to solve multiplication problems. Then they will practice several of the strategies...
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Worksheet
Curated OER

Subtract Tens on a Hundred Chart Problem Solving 12.2

For Students 2nd - 3rd
In this hundred chart learning exercise, students read three story problems pertaining to the subtraction of tens on a hundred chart. Students solve each problem.
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Lesson Plan
Curated OER

Value that Number

For Teachers 1st - 3rd
Learners complete a variety of activities to gain an understanding of the place values for ones, tens, and hundreds. They should place sets of numbers in order from least to greatest and from greatest to least.
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Lesson Plan
Curated OER

Place Value

For Teachers 3rd
Third graders practice place value skills to the hundreds.
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Lesson Plan
Curated OER

Expanded Form-Thousands

For Teachers 6th - 8th
Students write numbers in expanded form. In this math lesson, students discover what expanded form represents by observng the teacher writing a number in expanded form on the board in a chart. Additionally, students write the answers...
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Lesson Plan
Curated OER

Weaving a Story

For Teachers 1st - 2nd
It's time to investigate patterns! First and second graders construct a paper weaving using a hundreds chart, then use the Ti-10 calculator to make patterns such as adding 3 each time. Learners remove multiples of three from the hundreds...
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Lesson Plan
Curated OER

Three-Digit Addition

For Teachers 3rd - 4th
Learners work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
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Lesson Plan
Curated OER

Place Value

For Teachers 4th
Fourth graders play a game. In this place value lesson, 4th graders learn the place value of numbers and how to read them. Students work in groups to play a game to practice their place value skills. Students can also use the Internet to...

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