Curated OER
The Hundreds Board
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.
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.
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
Comparing/Ordering Numbers
Third graders compare numbers. In this math lesson students compare ones, tens, and hundreds. They also order numbers from least to greatest and from greatest to least.
Curated OER
Subtract Tens on a Hundred Chart Problem Solving 12.2
In this hundred chart worksheet, students read three story problems pertaining to the subtraction of tens on a hundred chart. Students solve each problem.
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
Introducing the Concept: Exponents and Powers of Ten
Fifth and sixth graders gain information about the powers of ten and exponents. They participate in a teacher demonstration of how using the powers of ten helps learn the place value chart. Pupils create their own place value chart.
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
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...
Curated OER
Skip-counting Practice
Young scholars practice skip counting. In this skip counting lesson, students practice skip counting using hundreds boards and patterns. Young scholars complete several examples and problems to ensure their understanding.
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.
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
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
Roll a Decimal
Third graders take turns rolling the die, and selects an appropriate place to put the digit that was rolled in order to create a number with the largest value possible. They compete by trying to roll the highest valued number with the die.
Curated OER
Math Lesson Plan: Put the Order in Ordinal Numbers
Students practice putting ordinal numbers in order. In this ordinal number instructional activity, students write ordinal numbers on index cards and use the cards to practice ordinal number order.
Curated OER
Reinforcement Lesson in Place Value
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...
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
Long Division
Fourth graders acquire number sense and perform operations with whole numbers, simple fractions, and decimals.
Curated OER
"ty" number
Second graders encounter the need to assess the code in English for tens is that the word ends in "-ty." They explore the meaning of two or three digit whole numbers to realize that the meaning of words like sixty can be decoded by...
Curated OER
Show Me the Number
Second graders develop the ability to show two-digit numbers using place value attributes in the early additive stage five. They utilize the manipulative's of sticks, rubber bands, counters, small canisters and uni-link cubes to assist...
Curated OER
Identifying Place Value
Third graders complete math problems. For this place value lesson, 3rd graders solve problems that require them to write the place value of a number in expanded form and identify the place value and expanded form of three digit numbers.
Curated OER
Expanded Form - Ten Thousands
Students explore the concept of writing numbers in expanded form. In this expansion lesson, students write numbers in expanded form.
Curated OER
Expanded Form-Thousands
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...