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Number and Operation

Item Description
Bookmark: Roman Numerals 1-10 Three bookmarks to practice counting from I to X.
Chart: Roman Numerals Roman and Arabic Numerals
Comprehension: From the Abacus to the Computer Packed with historical facts and figures, this great unit features four reading comprehensions and a 3 page review quiz.
Worksheet: Fraction Addition - unlike (set 1) single digits, unlike fractions; 5 pages.
Worksheet: Fraction Addition - unlike (set 2) single digits, unlike fractions; 5 pages.
Worksheet: Fraction Division - unlike (set 1) Single digits, unlike fractions; 5 pages.
Worksheet: Fraction Multiplication - unlike (set 1) Single digits, unlike fractions; 5 pages.
Worksheet: Fraction Multiplication - unlike (set 2) Single digits, unlike fractions; 5 pages.
Worksheet: Fraction Subtraction - unlike (set 1) Single digits, unlike fractions; 5 pages.
Worksheet: Fraction Subtraction - unlike (set 2) Single digits, unlike fractions; 5 pages.
Worksheet: Fractions in a Recipe (elem/upper elem) Students practice fraction skills by doubling, tripling, and halving recipes of their choice.
Worksheet: Multiplication (3 digits; set 1) Worksheets to practice 3-digit multiplication. 5 pages plus answers.
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Item Description
Bookmark: Roman Numerals 10-20 Three bookmarks with numbers from X to XX
Bookmark: Roman Numerals by 100s Three bookmarks to practice counting from C to M.
Bookmark: Roman Numerals by 10s Three bookmarks to help remember counting to C by Xs.
Division: 3 digits by 2 digits 10 pages plus answer sheets
Division: 3 or 4 digits by 2 (set 1) 5 pages with answers.
Division: 3 or 4 digits by 2 (set 2) 5 pages with answers.
Division: 4 digits by 2 digits (set 1) 10 pages plus answer sheet
Division: 4 digits by 2 digits (set 2)  
Division: 4 digits by 2 digits (set 3)  
Division: 4 digits by 2 digits (set 4)  
Division: 5 digits by 2 digit 10 pages plus answer sheet
Rules: Converting Fractions to Decimals Rules for converting fractions to decimals.
Math Rules: Decimals A one page sheet, suitable for introducing or reviewing basic math rules.
Math Rules: Integers  
Math Rules: Prime and Composite Numbers (upper elem/middle) Explains prime and composite numbers, including an introduction to the "Sieve of Eratosthenes"
Math Rules: Prime Numbers and Rules of Divisibility  
Worksheet: Multiplication (3 digits; set 2) Worksheets to practice 3-digit multiplication. 5 pages plus answers.
Worksheet: Multiplication (3 digits) 3 pages; large spaces to solve problems
Project: Numerical Systems Newspaper Students create a newspaper featuring a numerical system (Egyptian, Roman, etc.) This lesson comes with specific task suggestions and a grading rubric.
Rules and Practice: Roman Numerals (elem/ upper elem) A clear explanation of Roman numerals, with some of the basic rules, and a worksheet to help practice.
Worksheet: Fraction Addition - unlike (set 3) single digits, unlike fractions; 5 pages.
Worksheet: Fraction Division - unlike (set 2) Single digits, unlike fractions; 5 pages.
Worksheet: Fraction Subtraction - unlike (set 3) Single digits, unlike fractions; 5 pages.
Flashcards: Multiplication to 12x12 With dots at the top of each flashcard for visual representation.
Worksheet: Proportions (upper elem/ middle) A one page worksheet ranging from simple (increasing ingredients for a larger cake) to difficult (with decimals to the third place).
Rules and Practice: Quick Tricks for Multiplication (middle school) By 10, by 9, by 5, by 3, and by chunks. This unit contains tricks for multiplication and for checking your work. A playful (and very useful) approach to multiplication. This unit is presented at three levels of varying complexity.
Comprehension: Algorithms (upper elementary/middle) Including an introduction to the history of algorithms as well as their more common contemporary uses, this mini-unit features short, easy problems and a few longer ones to help students understand the importance of algorithms in problem-solving.
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