Curated OER
Inverse Relationships Addition/Subtraction (A)
In this inverse relationships worksheet, students problem solve and calculate the answers to sixteen mathematical equations involving addition and subtraction.
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Addition Subtraction 2
In this sum and difference activity, students find the sum and differences of equations with whole numbers and variables. Students complete 6 equations.
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Mixed Addition/Subtraction Word Problems One -Version 1
In this word problems worksheet, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 problems.
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Addition and Subtraction Practice
In this addition and subtraction worksheet set, students complete 20 pages of addition and subtraction practice. They find the sums or differences to 10 problems on each page. They answer problems that have either two or three digit...
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Three Digit Addition
In this math learning exercise, learners solve three digit addition problems. Some of the addition problems require regrouping. The problems are set up to solve vertically.
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Math Cross--Puzzle #1
In this addition, subtraction and multiplication worksheet, students complete a math crossword puzzle as they complete twenty-eight addition, subtraction and multiplication problems.
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Math Cross--Puzzle #3
In this associative property worksheet, students complete a math crossword puzzle as they solve twenty-eight addition, subtraction and/or multiplication problems.
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Math Cross--Puzzle #5
In this inches and feet instructional activity, students fill in a math crossword puzzle as they solve twenty-eight addition, subtraction and multiplication problems involving inches and feet.
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Math Cross--Puzzle #2
In this number patterns worksheet, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems.
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Math Cross--Puzzle #11
In this time worksheet, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication problems involving days, weeks and hours.
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Math Cross--Puzzle #12
In this measurement, money and time learning exercise, students fill in a crossword puzzle as they solve twenty-eight math problems involving inches/ounces, bills/coins through addition, subtraction and multiplication problems.
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Math Cross--Puzzle #9
In this measurement and money learning exercise, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems involving ounces and inches, money and coins.
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Math Cross--Puzzle #7
For this money worksheet, learners fill in a crossword puzzle as they solve twenty-eight math problems involving different types of money intertwined into addition, subtraction and multiplication problems.
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Math Cross--Puzzle #8
In this pounds and ounces worksheet, students complete a math crossword puzzle as they solve twenty-eight math problems involving pounds and ounces intertwined with addition, subtraction and multiplication problems.
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Math Cross--Puzzle #13
In this mathematical calculation learning exercise, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication problems going across and down.
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Math Cross--Puzzle #18
For this money worksheet, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems involving different types of coins and money.
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Subtraction Worksheet
In this subtraction worksheet, 3rd graders solve 30 subtraction problems. The problems all involve subtracting two digit numbers from three digit numbers.
EngageNY
Addition and Subtraction Formulas 1
Show budding mathematicans how to find the sine of pi over 12. The third lesson in a series of 16 introduces the addition and subtraction formulas for trigonometric functions. Class members derive the formulas using the distance formula...
EngageNY
Addition and Subtraction Formulas 2
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
Curated OER
Times Tables - Multiplication
Introduce students to multiplication through this fantastic math worksheet. Provides beginners with an explanation of multiplication as repeated addition using pictures to help students visualize the meaning and process of multiplying....
Curriculum Corner
Order of Operations Task Cards (2)
Young mathematicians use their PEMDAS knowledge to solve 20 different task cards. They evaluate expressions to find the answer of multiplication, division, addition, subtraction, and exponential problems. Then, they record their answers...
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Relating Addition and Subtraction
In this number sentence activity, 3rd graders write a related addition or subtraction sentence for 13 math problems. Students answer 2 word problems and 2 multiple choice answer math problems relating to number sentences.
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Independent Practice 1: Missing Addition or Subtraction Sign
In this addition and subtraction instructional activity, learners supply a plus (+) or a minus (-) sign in the square to make the number sentence true for twenty problems.
Curated OER
Worksheet #2: Algebraic Expressions
For this algebraic expression worksheet, learners evaluate algebraic expressions involving the addition, subtraction, division, and multiplication of negative and positive integers. Students identify mathematical properties and find the...
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