Illustrative Mathematics
How Many Days Until Summer Vacation?
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...
Curated OER
The Hundreds Board
Learners 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.
Curated OER
Hundreds Board Activity Puzzle
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...
Mathwire
A Collection of Logic Number Puzzles on the Hundred Board
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.
Fuel the Brain
Hundreds Board Blanks
Have your young learners enhance their counting skills with this hundred boards worksheet! Your class will get excited when they realize they can write in all the numbers and fill this board up!
Curated OER
Brain Booster
In this daily math problem worksheet, 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.
National Math + Science Initative
Introduction to Decimals
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...
Curated OER
Subtracting With the Hundreds Place And Regrouping
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...
Curated OER
Skip-counting Practice
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.
Texas Instruments
TI-Nspire™ CAS
When it comes to rating educational calculators, this calculator is always near the top of this list. Now it's available as an app. There is a lot of calculator power wrapped up in this app. Not only is this a fully functioning...
Texas Instruments
TI-Nspire™
We landed on the moon with less computing capabilities than you can find in this app! Here is a multiple function calculator that takes all the power you get from a handheld and adds the wonderful large screen that only a tablet can...
Fuel the Brain
Solve Problems by Making Hundreds
If your learners understand how to group in hundreds, this worksheet 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.
Curated OER
Three-Digit Addition
Students work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
Curated OER
Brain Booster
In 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.
Curated OER
Using Groups of Ten to Solve Problems
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...
Fuel the Brain
Equal Grouping, Number of Groups & Number of Sets
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.
Curated OER
Value that Number
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.
Curated OER
Weaving a Story
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...
Curated OER
Math, Sweet Math
Third graders use candy to explore whole numbers one to hundred thousand. They place candy on a place value chart and explore how sweet math can be.
Curated OER
Expanded Form-Hundreds
Students write numbers in expanded form. In this expanded form lesson, 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 are included.
Curated OER
Primary Understanding and Use of Place Value
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...
Curated OER
Comparing and Ordering Fractions, Mixed Numbers, and Decimals
Students practice comparing and ordering fractions, mixed numbers, and decimals. In this fractions, mixed numbers, and decimals lesson plan, students examine a decimal place value chart compared to a whole number place value chart. They...
Curated OER
Math Lesson Plan: Put the Order in Ordinal Numbers
Students practice putting ordinal numbers in order. In this ordinal number lesson, students write ordinal numbers on index cards and use the cards to practice ordinal number order.
Curated OER
Prime Time
Fifth graders complete activities related to prime and composite numbers. For this prime lesson, 5th graders make a hundreds chart with all the prime numbers. They create their own card game which deals with prime and composite numbers.