West Contra Costa Unified School District
Subtracting Numbers
Give families the information needed to support their child in the mastering of subtracting numbers with a two page reference sheet offering detailed descriptions and labeled examples.
Illustrative Mathematics
Coordinates of Equilateral Triangles
Can it be constructed? The task poses the question whether it is possible to have an equilateral triangle with its vertices located at integer coordinates. Pupils work with their knowledge of trigonometric ratios and the Pythagorean...
Curriculum Corner
Second Grade Summer Math Practice Book
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
CK-12 Foundation
Inequalities that Describe Patterns: Freezing Cold Comparison
Don't freeze out the interactive on inequalities from your lesson plans. Young mathematicians use an interactive thermometer and number line to compare freezing temperatures. Inequalities help express these comparisons.
5280 Math
Stories That Formulas Tell
Learn the stories a formula holds. An interesting lesson takes a unique approach to teach how to use formulas. Beginning with a formula, learners predict what the variables stand for and then use the formula to make calculations and tell...
Mathed Up!
Inequalities
Develop an understanding of things that are not equal. The video demonstrates three types of questions involving inequalities as a review for the General Certificate of Secondary Education math assessment. Pupils work through the...
CK-12 Foundation
Properties of Rational Numbers: Lollipop Trees
A six-question interactive takes mathematicians to Lollipop Land where they manipulate lollipop trees to make equivalent ratios. Question types include multiple-choice, true or false, and a discussion.
K20 LEARN
Comparing Numbers And Fruit—More Or Less: Comparing Numbers
A discussion begins a lesson on comparing numbers. Pupils explain how they can show a number, then visit math centers to explore number-making tools. A story read-aloud of More or Less by Stuart Murphy identifies language for...
Curated OER
Adding Integers
In this integer worksheet, students solve 12 problems, adding integers. Answers and hints are available on-line; a reference web site for additional resources is given.
Curated OER
Adding Integers II
In this adding integers worksheet, students solve 10 problems, adding integers. Students may click on hint or check answer buttons. Page has links to additional resources.
![Integer Subtraction; Range (-9) to (+9) [G] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217674/large/nziymdm3lmpwzw.jpg?1414307528 "Integer Subtraction; Range (-9) to (+9) [G] Worksheet")
Curated OER
Integer Subtraction; Range (-9) to (+9) [G]
In this integer subtraction activity, students complete a total of 54 problems, using the range of -9 to +9. Answers included on page 2.
Curated OER
Integer Addition: -99 through +99
In this integer addition worksheet, students solve a total of 54 addition problems; answers are included on page 2.
![Integer Addition; Range (-9) to (+9) [C] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217134/large/cgrmlwnvbnzlcnqymdezmdmzms0xnjc5ltflywxioweuanbn.jpg?1414307155 "Integer Addition; Range (-9) to (+9) [C] Worksheet")
Curated OER
Integer Addition; Range (-9) to (+9) [C]
In this integer addition activity, students solve a total of 54 problems using the range -9 to +9; answers are included on page 2.
![Integer Addition and Subtraction [A] Worksheet](http://content.lessonplanet.com/resources/thumbnails/41790/large/bwluav9tywdpy2symde3mdmymi0ynza5oc0xbdd6mzr3lmpwzw.jpg?1490203722 "Integer Addition and Subtraction [A] Worksheet")
Curated OER
Integer Addition and Subtraction [A]
In this integer addition and subtraction worksheet, students solve a total of 33 addition and subtraction problems; answers are included on page 2.
![Integer Addition and subtraction [B] Worksheet](http://content.lessonplanet.com/resources/thumbnails/210079/large/cgrmlwnvbnzlcnqymdezmdmzmc0xntuymi14bdywywkuanbn.jpg?1414301959 "Integer Addition and subtraction [B] Worksheet")
Curated OER
Integer Addition and subtraction [B]
In this integer addition and subtraction learning exercise, students solve a total of 33 addition and subtraction problems; answers are included on page 2.
Curated OER
Less Than-More Than
In this less than/more than worksheet, students fill in columns on an organizer with numbers "one less than' and "one more than" given integers. An answer key is included.
Curated OER
Finding Smallest Numbers in Sets
In this smallest numbers worksheet, students circle the smallest number in a set which includes both negative and positive integers, 20 sets total. An answer key is included.
Curated OER
Number Line Relay
Young scholars investigate the placements of numbers on a number line. In this algebra lesson, students visualise addition and subtraction on a number line.
Curated OER
Number Operations
Students investigate integers and solve problems using integers. In this algebra lesson, students solve problems to help improve speed and accuracy of mental math. They develop a deeper knowledge of the way integers are used on a daily...
Curated OER
Arithmetic and Geometric Sequences
In this arithmetic and geometric sequences worksheet, 11th graders solve and complete 37 various types of problems. First, they determine the term of each sequence shown. Then, students find the given term number using sigma notation....
Curated OER
Squares Have Roots?
Students define a square and connect this information to a square root. In this square root lesson, students make a chart listing square numbers and their roots.
Curated OER
Venn Diagrams & Word Problems
Pupils explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson, students solve word problems about groups of people using Venn Diagrams. Pupils use survey results about MySpace and Facebook in a Venn...
Curated OER
Negative Constructions
In this negative constructions learning exercise, 7th graders review and discuss what negative constructions are and how to avoid using them in sentences. Students build three sentences with a set of words for each one.
Curated OER
Negative Numbers
In this negative number activity, 6th graders focus on greater than and less than. Students complete 43 problems deciding if the statements are true or false.
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