Other
Link to Learning: Number Sense and Numeration
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Number Sense and Numeration expectations in the Ontario Math curriculum for Kindergarten to Grade 8.
Other
Link to Learning: Number Sense and Numeration
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Number Sense and Numeration expectations in the Ontario Math curriculum for Kindergarten to Grade 8.
Better Lesson
Better Lesson: Ordering Numbers to 30
Numbers don't stop at 20! We spend the last week or so of school looking at the numbers beyond 20. Today we do it by looking at the number line.
Better Lesson
Better Lesson: Missing Number Equations
Second graders will become more comfortable making sense of equations presented in missing answer (traditional) and missing number ( nontraditional) formats.
Better Lesson
Better Lesson: Change Unknown Word Problems With Number Lines
Second graders solve change unknown story problems using a number line. This lesson gives students a new strategy to attach change unknown word problems.
Math Slice
Math Slice: Number Slice Special Test
A succinct test on number concepts including problem solving, basic operations, and computation. Assessment is scored online and student score is compared with other student test scores. Great for use as a quick assessment.
PBS
Pbs Kids Afterschool Adventure!: Operation: Numbers 1 10 Activity Plan
For this week's Afterschool Adventure, children will explore simple math activities using the numbers one through ten. Children will represent numbers in different ways, such as drawing quantities; writing numerals; and using number...
Mangahigh
Mangahigh: Number: Order of Operations
Students learn about the concept of order of operations by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Texas Instruments
Texas Instruments: Number and Operation Sense: Whole Numbers
In this activity, students attain a basic understanding of numbers and number operations, developing number sense, and gaining fluency in arithmetic computation. They also learn to use the calculator to explore the mathematical...
Better Lesson
Better Lesson: Larger Number Patterns
Second graders can find patterns in 4-digit numbers that will help them when counting over decades and centuries.
Better Lesson
Better Lesson: Patterns Make Ten
This lesson builds a foundation for adding larger numbers which is supported by the Common Core standards for second grade.
NumberNut
Number Nut: Comparing Operations
Combine all of your knowledge about the four basic operations in this lesson that focuses on comparing operations. Discover the relationship between of each operation and key vocabulary terms to build your number sense.
NumberNut
Number Nut: Ordering Operations With Parentheses
A thorough lesson on order of operations that includes detailed examples and related vocabulary.
Texas Instruments
Texas Instruments: Number Sense
Order of operations goes beyond the traditional basic four operations to include positive and negative exponents and parenthesizes.
Other
Math Ed Page: A Proposal for Early Math Education
A chapter from a book on mathematics instruction for elementary students. Henri Picciotti explains why instruction in number sense, function sense, and symbol sense is important. He offers sample plans for operation sense.
Math Slice
Math Slice: Math Crossword Slice Special Test
Use this interactive math crossword puzzle to build number sense skills. Simply fill in the missing numbers based on the operation. Immediate feedback given to responses.
Queen's Printer for Ontario
E workshop.on.ca: Number Sense and Numeration, Grds 4 6: Addition, Subtract [Pdf]
Volume 2 of an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching addition and subtraction to students in grades 4 through 6. Include a series of suggested activities.
Better Lesson
Better Lesson: Using the Multiplication and Division Relationship to Solve
Third graders can solve multiplication and division problems quickly by recognizing the relationship between the two operations.
Better Lesson
Better Lesson: The Multiplication and Division Connection
Third graders can solve multiplication and division problems quickly by recognizing the relationship between the two operations.
Better Lesson
Better Lesson: Moving Into Thousands
To make sense of numbers in the thousands, 2nd grade students need practice identifying place value positions and using place value strategies in numbers to 1,000.
Better Lesson
Better Lesson: Subtracting With Partners of 100
When subtracting ten from a 2 digit number, 2nd graders should be able to compute the answer as fluently and comfortably as do when they add ten to a 2 digit number.
Better Lesson
Better Lesson: Why Do We Need an Order of Operations?
Why do we need an Order of Operations? What is 5 + 3 x 4? What is 3 x 4 + 5? Students work through examples to get at these questions and work with the order of operations to simplify numerical expressions.
Better Lesson
Better Lesson: Where on the Line?
Do you know where a number would be? Can you use a number line as a tool to solve problems?
Better Lesson
Better Lesson: Our Understanding of Numbers
This lesson is an informal assessment of student understanding of the base ten system, a critical area in the Common Core.