Illustrative Mathematics
Illustrative Mathematics: Mixed Numbers With Unlike Denominators
The purpose of this task is to help students realize there are different ways to add mixed numbers and is most appropriate for use in an instructional setting. The two primary ways one can expect students to add are converting the mixed...
AAA Math
Aaa Math: Counting Even Numbers by Twos
Use this lesson to learn about adding two and skip counting to understanding the concepts of counting even numbers by twos. Play the interactive game "Counting Up By Twos," and get your score instantly.
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator: Adding Even Numbers
Can you beat the calculator? Your task is to find the sum of all even numbers between two and any selected two-digit even number. If you can find the number pattern, you are sure to beat the calculator every time. Links to other "Beat...
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: Introduce 100 Board
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 through exploring a 100 Chart.
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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.
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Better Lesson: Larger Number Patterns
Second graders can find patterns in 4-digit numbers that will help them when counting over decades and centuries.
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Better Lesson: Patterns in Nature
Are there patterns in nature that can be described by numbers? That is what we will find out here.
Better Lesson
Better Lesson: Using a Pattern to Solve a Problem
Patterns are prevalent in all levels of math. Common Core Standards expect students to be able to use structure - like that found in repeating the patterns of odd and even numbers or counting by 5s or 10s - to solve problems (MP7).
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.
Better Lesson
Better Lesson: Moving Along in Hundreds
The Common Core standard is that students understand that the numbers 100, 200, etc. represent so many groups of 100.
Better Lesson
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...
CK-12 Foundation
Ck 12: Algebra: Operations With Numbers in Scientific Notation
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve percent problems involving scientific notation. Students examine guided notes, review guided practice, watch instructional videos and...
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.
Mangahigh
Mangahigh: Number: Multiply Decimals and Larger Numbers
This site provides students practice with the concept of multiplying decimals . Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Math Slice
Math Slice: Math 4 Game
Create four number equations with the eight numbers and four operation symbols you are given to win this challenging game. Immediate feedback given to responses
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: Effective Instruction in Math, 4 6: Big Ideas [Pdf]
Volume 1 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for explaining five big ideas of number sense and numeration to students in grades 4 through 6: quantity, operational...
Math Slice
Math Slice: Sundee Slice Special Test
A concise tool for assessing a variety of math concepts including measurement, algebra, number sense, and data. Assessment is scored online immediately. An excellent tool for quick assessment.
Alabama Learning Exchange
Alex: My Favorite Number
The activity allows students to review many of the number theory concepts. Students will pick a composite number write verbal expressions about the number, find the factors, prime factorization, list multiples, draw a cartoon character...
Better Lesson
Better Lesson: How Are They Different?
SWBAT order a set of numbers and quantities up to 12 and compare two quantities up to 10 to see which one is greater. The students will also demonstrate their knowledge of how the numbers in the counting sequence are related (that each...
Better Lesson
Better Lesson: Building Towers
SWBAT count a set of up to 20 objects by 1's. SWBAT use number names and written numbers to label the quantities they represent. SWBAT order a set of numbers and quantities up to 12.
Better Lesson
Better Lesson: Towers, Towers, Towers 1 5
Children develop a true sense of number by working with real things. In this lesson, kindergarteners use blocks to build towers, learning what numbers 1-5 mean.