Curated OER
Two Digit Addition with Regrouping
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson plan, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the...
Curated OER
What Could It Be?
In this number sense worksheet, students examine a group of numbers from 1 to 7 digits and use these numbers to answer 9 fill in the blank problems regarding number sense and place value.
Curated OER
Decimal War
Pupils play a math game. In this decimals and fractions lesson, they use base ten blocks to practice converting between decimals and fractions. Everyone plays a game called Decimal War to practice these concepts.
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Ten by Ten
Learners participate in hands-on activities using a hundreds chart and counting toes and fingers. They discover the patterns that are created when counting by ten. After a lecture/demo, learners practice by using a worksheet embedded in...
Curated OER
Using Tens and Ones
Students make bean sticks. In this place value lesson, students practice counting ones and tens by using craft sticks and beans to make counting sticks.
Curated OER
Wacky Windows
In this place value instructional activity, students examine 6 pictures of houses with different window shapes that represent hundreds, tens, and ones. Students answer 6 fill in the blank problems where they discover the three digit...
Curated OER
Surface Area and Volume
In this surface area and volume instructional activity, 8th graders solve 11 various geometry problems that include determining the surface area and volume for the measurements given and finding the surface area for each solid shown....
Curated OER
Side-By-Side Division Algorithms
Show classes how to work their way through the algorithms. The long division lesson plan shows five algorithms in dividing multi-digit numbers by a single digit. The algorithms include partial quotients, stacking method, place value long...
EngageNY
Grade 5 Math Module 1, Topic E, Lesson 12
Continuing from the previous instructional activity, scholars work on mastering the skill of multiplying decimal fractions by a whole number. The method employed in the instructional activity is to convert the decimal fraction to its...
Curated OER
Plunge Into Place Value
Students use expanded notation. In this mathematics lesson, students determine the place value of a digit within a whole number. Students use manipulatives, words, and symbols to represent whole numbers.
Curated OER
Place Value
Third graders review place value by arranging four numbers to make the highest number possible. They are shown a hundred flat. Students are asked to show another way of making 100 using base-ten blcoks. They are then shown a thousands...
Curated OER
Building Numbers
Fifth graders use place value clues to find a given number. In this place value lesson plan, 5th graders work with the MathKeys program using place value clues and base-ten blocks to build a number and determine its value.
Curated OER
Numbers Make Sense
Second graders explore number values by completing estimation problems in class. In this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize flash...
Curated OER
MathKeys Software "Unlocking Whole Numbers, Vol 2 (Rolling the Highest Number)"
Third graders arrange four numbers in order to make the highest number possible. In this place value lesson plan, 3rd graders practice working with four digit numbers on the computer and with base ten blocks.
Curated OER
Too Many Tens
Young scholars practice grouping in different ways by putting numbers up to 1,000 in the correct place value. In this place value lesson plan, students estimate items in a jar and then count them out by grouping them by 10s.
Curated OER
Rounding to the Nearest Tens or Hundreds
Project these rounding problems as an all-class warm up, since they are written in large text and lend nicely to this purpose. Scholars round three numbers, two double-digit and one triple-digit, to both the hundreds and tens place. Note...
Curated OER
In Round Numbers
Students explore the concept of rounding. In this rounding lesson plan, students use their calculator to round three digit numbers to the nearest 10 or nearest 100. Students round fractional numbers to the nearest tenth, hundreth, and...
Curated OER
Add Using a Place Value Chart
In this addition practice instructional activity, 1st graders sharpen their problem solving skills as they solve 6 story problems. They may use counters is necessary.
Beacon Learning Center
Ten Pins
Multiplying with multiples of 10, 100, and 1,000 provides an opportunity to discuss patterns that arise with zeros. The class uses these patterns to solve problems. Then they rotate through three work stations, including a computer-based...
EngageNY
Adding and Subtracting Polynomials
Need a unique approach to adding and subtracting polynomials? A helpful math lesson plan approaches the concept by relating polynomials to base 10. It encourages pupils to see each term as having a specific value, and therefore, they...
Partnership for Educating Colorado Students
Mayan Mathematics and Architecture
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...