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.
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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: 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.
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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: Learning to Be a Friendly Partner
SWBAT be part of a team and successfully play a game with a partner, practicing the norms that have been established. SWBAT successfully explore three of the math tools that they will be using throughout the year.
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Better Lesson: It Is About Time
Second graders worked on telling time to the hour and half hour earlier in the year. Now they will apply their understanding of counting by 5s to telling time to the five minute interval.
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Better Lesson: Balancing and Comparing Data
The connection between subjects is an important one to establish for students. Communicating across subjects is part of the Common Core expectations.
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Better Lesson: Mentally Speaking!
Using base ten blocks and place value, 2nd graders explore how to become more fluent in adding and subtracting two-digit numbers without regrouping.
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Better Lesson: Mixed Operation Practice + Scholarships
Which operation should I use to solve this problem? How can I use bars to model what is going on? What are scholarships and how do I earn them? Students apply their knowledge of decimal operations to answer these questions.
Better Lesson
Better Lesson: Order of Operations
Sixth graders apply their knowledge of the order of operations to simplify numerical expressions for a second day.
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Better Lesson: Bigger or Smaller
Second grade students are asked to apply two complementary processes: counting and grouping. The conceptual understanding of the place value of a number and combining/separating numbers using place value, are critical aspects of...
Better Lesson
Better Lesson: We Can Guess the Number
Understanding place value is critical to the Common Core Standards for second grade. Without a concrete understanding, 2nd graders may not fully grasp the meaning of the digits.
Better Lesson
Better Lesson: The Double Number Line
The double number line will help students figure out problems that involve two quantities.
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Better Lesson: Introducing the Number Line
The number line is a tool 6th grade students will need throughout the year and this activity will allow students to explore and become familiar with it.
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Better Lesson: Where Does That Fall on the Number Line?
Where does five-thirds belong on a number line? What about 1.61? Students apply their knowledge of fractions and decimals in order to compare and order fractions and decimals.
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Better Lesson: Number Puzzles
SWBAT apply their understanding of patterns on the hundreds chart and the counting sequence to create a number chart.
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Better Lesson: Wanted: Runaway Number
SWBAT describe numbers using base ten language, models and number charts.
Better Lesson
Better Lesson: Hopping Up & Down the Number Line
SWBAT identify the subtraction and addition sign and understand their function by hopping a bunny up and down a number line.
Mangahigh
Mangahigh: Number: Choose the Correct Operation
Determine the correct operation to complete the expression.