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Curated OER
The Nature of Mathematics
Learners work in groups to describe plants using numbers. In this number instructional activity, students use numbers to define plants and then use numbers to write descriptions of themselves.
ABCya
Ab Cya: Molly's More or Less Quest
Molly is back in a More or Less Quest! This educational activity provides word problems with manipulatives for kids to practice comparing more or less. The word problems are read aloud and have objects that can be used for counting and...
Better Lesson
Better Lesson: 10 More and 10 Less
This lesson is More or Less a great lesson! Engage students in finding 10 more and 10 less than a number using these fun activities. Includes an eSpark video on place value, detailed lesson plan, copy of a hundreds chart, and practice...
Illustrative Mathematics
Illustrative Mathematics: More and Less Handfuls
This is a good small group/pairs activity to practice counting. Each student grabs two handfuls of counters and counts them. The student then draws and records the quantity on a student-recording sheet (example included). Student...
Khan Academy
Khan Academy: Find 1 More or 1 Less Than a Number
Practice finding one more or one less than a number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
NumberNut
Number Nut: More or Less: Comparing Values Less Than Thirty Cents
Compare two groups of coins and determine which group is worth more or less than the other. Money values are less than thirty cents. Words, not inequality signs, are used to compare the values. Score is kept as you go through activity.
NumberNut
Number Nut: Numbers and Counting: Counting to 50
Did you know that counting and all numbers are based on tens and that everything starts over when you hit a number with a "0" in the ones column? This lesson provides strategies and pattterns for counting to fifty and includes two...
Can Teach
Can Teach: Who Has More or Less?
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Khan Academy
Khan Academy: Word Problems With "More" and "Fewer" 1
Practice solving word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ClassFlow
Class Flow: One More and One Less
[Free Registration/Login Required] In this flipchart students investigate adding and subtracting 1 from a number practicing with the more and less terms. This flipchart can easily be modified to use larger more or less numbers. This is a...
Khan Academy
Khan Academy: Word Problems With "More" and "Fewer" 2
Practice solving more word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
NumberNut
Number Nut: Numbers and Counting: Greater Than 1,000
Follow the steps in the examples for place value for numbers greater than 1000 and then practice the skills with the two interactive activities.
Better Lesson
Better Lesson: Adding and Subtracting Multiples of Ten
Students will apply the idea of adding or subtracting ten to a number by adding or subtracting multiple groups of ten from a number. Included is a detailed lesson plan, videos of the lesson in action, materials and worksheets, and center...
NumberNut
Number Nut: Numbers and Counting: Comparing Numbers One Through Thirty Activity
Quiz where the player compares two numbers between one and thirty, and states whether the first number is less than, equal to, or greater than the second number.