Curated OER
Multiplying Decimals and Mixed Numbers
Students practice multiplying decimals and/or mixed numbers, explore the effects of multiplying decimals and mixed numbers, and practice predicting the effects of multiplying a number by a decimal or mixed number.
Curated OER
Perimeter
In this perimeter worksheet, students calculate the perimeter of rectangles. This one-page worksheet contains 6 perimeter problems.
Curated OER
Geometry: Calculating Perimeters
In this perimeter worksheet, students find the perimeter of 3 polygons. Students find the perimeter of irregular polygons given various side lengths.
Curated OER
Positive and Negative Activity
In this positive and negative instructional activity, students use the positive and negative rules to rewrite and answer the 34 questions below, an example is provided for them.
Curated OER
L-shaped Perimeters
In this perimeter activity, students calculate the perimeter of L-shaped figures by subtracting to find missing side lengths. There are 6 questions.
Curated OER
Adding and Subtracting Integers
In this integers worksheet, students use the integer number line to solve the problems as they add and subtract positive and negative numbers. They find the answers to 10 questions.
Curated OER
Adding Integers Using an Integer Line
In this integers instructional activity, students use integer lines to add the positive and negative numbers. They can show the answers online.
Curated OER
Subtracting Integers
In this subtracting integers worksheet, students use 9 integer lines to help them solve 9 math problems that require them to subtract positive and negative numbers.
Helping with Math
#9: Solving Equations (1 of 2)
Twelve very simple equations are presented for learners to solve. What is the value of x? What is the value of n? Individuals apply operations to find the answers. You will find the final answers by clicking on the appropriate box at the...
Helping with Math
Solving Equations with Two-Stepping! (4 of 4)
Here are 12 two-step algebraic equations to be solved. The first problem is completed as an example to your class, but the remaining can be worked right on the page. An answer key is available by clicking on a small box at the top of the...
Helping with Math
#10: Solving Equations (2 of 2)
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...
Khan Academy
Khan Academy: Compare Fractions With the Same Numerator
Compare two fractions that have the same numerator using greater and less than symbols. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Khan Academy
Khan Academy: Compare Fractions of Different Wholes
Compare two fractions based on the whole that each one refers to. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.2.b Represent a fraction...
Khan Academy
Khan Academy: Visually Compare Fractions 1
Practice comparing fractions with the help of visuals aides. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.2.b Represent a fraction a/b...
Khan Academy
Khan Academy: Fractions on the Number Line
Plot and spot fractions on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a fraction as a...
Khan Academy
Khan Academy: Write Fractions as Whole Numbers
Represent fractions as whole numbers and whole numbers as fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.CCSS.Math.Content.3.NF.A.3.c Express whole...
Khan Academy
Khan Academy: Equivalent Fractions on the Number Line
Graph and identify equivalent fractions on a number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.3.a Understand two fractions as...
Khan Academy
Khan Academy: Equivalent Fractions (Fraction Models)
Practice finding equivalent fractions. These problems show you pictures of fractions to help you out. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Khan Academy
Khan Academy: Identify Unit Fractions
Identify unit fractions when given a visual or a context. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, receive hints. CCSS.Math.Content.3.G.A.2 Partition shapes into...
Khan Academy
Khan Academy: Read Line Plots (Data With Fractions)
Practice reading and interpreting data that is graphed on line plots. The data graphed includes fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Illustrative Mathematics
Illustrative Mathematics: Comparing Fractions Same Numerator, Assessment
This task is about comparing two fractions with the same numerator or the same denominator by reasoning about their size, and understanding that such comparisons are valid only when the fractions refer to the same whole. Aligns with...
Illustrative Mathematics
Illustrative Mathematics: 3.nf Comparing Fractions With a Different Whole
This task is meant to address a common error that students make, namely, that they represent fractions with different wholes when they need to compare them. Aligns with CCSS.Math.Content.3.NF.A.3.d Compare two fractions with the same...
Illustrative Mathematics
Illustrative Mathematics: Comparing Fractions Same Denominator, Assessment
This task is about comparing two fractions with the same numerator or the same denominator by reasoning about their size, and understanding that such comparisons are valid only when the fractions refer to the same whole. Aligns with...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Fraction Number Lines [Pdf]
Place fractions on a number line using this fraction board game. CCSS.Math.Content.3.NF.A.1 Understand a fraction as a number on the number line Standard 2