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Lesson Plan
Curated OER

Let's Trade

For Teachers 2nd
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
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Worksheet
Curated OER

Math – Writing Equations : Subtraction

For Students 2nd - 3rd
In this writing equations practice activity, students use their problem solving skills and the information provided to write 12 subtraction number sentences and solve them.
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Worksheet
Curated OER

Subtraction Worksheet : Numbers to 19 (1 of 3)

For Students 1st - 2nd Standards
In this subtraction worksheet, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
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Lesson Plan
Curated OER

The School Store

For Teachers 1st - 2nd
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction instructional activity, students make a chart of items sold in the school store. Students then work in teams...
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Worksheet
Curated OER

Subtract Across Zeroes: Practice 5.7

For Students 3rd - 4th
In this subtraction instructional activity, learners solve 27 problems in which three and four digit numbers are subtracted with regrouping across several places. There are no examples on the page.
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Lesson Plan
Curated OER

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your young scholars identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the...
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Worksheet
Curated OER

Practicing Borrowing

For Students 3rd - 4th
In this subtraction worksheet, students solve 64 problems in which two or three digit numbers are subtracted. Students will need to regroup in each problem.
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Lesson Plan
Curated OER

A Secret Code

For Teachers 2nd - 3rd
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington.  Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
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Lesson Plan
Curated OER

A Fictional History of Place Value

For Teachers 2nd - 4th Standards
Your class can explore standard and expanded notation, as well as computation with regrouping. They listen to a make-believe story about cavemen and the origin of numerals and place value. Then apply what they learned about renaming and...
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Lesson Plan
NTTI

Putting Together Ten

For Teachers 1st - 2nd Standards
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
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Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
In this math learning exercise, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit...
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Lesson Plan
Curated OER

Carry and Borrow

For Teachers 2nd
Second graders complete basic math computations. In this addition and subtraction lesson, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. Students...
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Lesson Plan
Curated OER

Regrouping With Remediation

For Teachers 4th
Fourth graders complete multiplication, addition, and subtraction problems that all contain regrouping. In this regrouping lesson plan, 4th graders complete worksheets not provided.
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Lesson Plan
Curated OER

Junk Yard Math

For Teachers 3rd
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the lesson.
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Worksheet
Curated OER

Magic Squares and Adding on a Number Line

For Students 2nd - 3rd
In this math addition and subtraction worksheet, students solve 24 problems pertaining to addition magic squares, adding on a number line, adding money (English pounds) and basic addition and subtraction without regrouping. This page is...
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Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. For this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Lesson Plan
Curated OER

Market Prices

For Teachers 2nd
Second graders understand that prices change. In this business, price and labor lesson, 2nd graders define the words market and price. Students read Arthur's Funny Money and answer questions related to earning and spending money....
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Lesson Plan
Curated OER

Unit 2 Sun & Stars

For Teachers 6th - 7th
Students describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics, how...
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Lesson Plan
Curated OER

Tear + Net = Gross

For Teachers 2nd
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
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Lesson Plan
Curated OER

A Borrower And A Lender Be

For Teachers 2nd
Second graders practice addition and subtraction in this fun, technology-based Mathematics instructional activity for the second grade classroom. The instructional activity includes resource links, video clips, interactive websites, and...
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Worksheet
Curated OER

Fourth of July Add or Subtract Worksheets

For Students 3rd - 4th Standards
There are actually two Independence-Day-themed worksheets in this resource. Patriots solve three-digit addition and subtraction problems, then find the letter from the key that corresponds to each of their answers. As they place each...
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Worksheet
Curated OER

Subtracting Decimals

For Students 4th - 5th
In this subtraction of decimals worksheet, students subtract decimals in 40 problems. These are 2 digit problems, written vertically, some with regrouping.
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Lesson Plan
Curated OER

Chart Trivia

For Teachers 1st - 3rd
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
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Lesson Plan
Curated OER

Matter

For Teachers 4th - 6th
Young scholars complete a unit of activities to learn about states of matter and how to measure matter. In this matter lesson, students complete 8 lessons to learn about matter, its states, and how to measure matter.

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