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Curated OER
Mental Arithmetic Sets 3 and 4
In this mental arithmetic activity, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
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Counting Coins
Students practice counting and adding or subtracting coins. The lesson includes many different selections of coin types and number of coins that you may configure and select. Pennies, Nickels, Dimes, Quarters are the coins used.
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Writing Number Sentences
Students practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
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Today's Number
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
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SPIRIT 2.0 Lesosn: Adding and Subtracting Integers
Six pages prepare you to introduce your math stars to the addition and subtraction of positive and negative numbers. They drive a robot back and forth on an actual number line to represent the operations. If you don't have access to a...
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Solving Word Problems
In this finding the sums and differences for story problems activity, students add and subtract up to two-digits without regrouping. Students solve 6 problems.
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What I Saw Today
In this math worksheet, students practice counting and subtracting by participating in a class song. The students sing to the tune of "This Old Man." There are 7 verses about animals who leave when they see the student. This could be...
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Money Game
Fourth graders give change of one dollar. In this decimal and fractions lesson, 4th graders receive fake coins and discuss what they could purchase with them. Students go for a walk and spend one dollar and get...
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Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
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Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
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Goldfish Subtraction
Young scholars manipulate Goldfish crackers to explore subtraction and number sentences.
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Addition and Subtraction within 10
In this addition and subtraction activity, 1st graders add and subtract in word problems up to the number 10. Students complete 20 problems total.
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Subtraction: one digit numbers
In this subtraction worksheet, students subtract one digit numbers from each other. Students complete 17 subtraction problems and then match the answers to a key which gives them a message.
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Estimating and Testing Steps
Students predict how many steps they think it will take them to get from the front of the room to the back. They record predictions on paper and then into database and then actually test by walking foot to foot to their destination...
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M & M Addition
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
Pennsylvania Department of Education
Links Away: Looking Back and Moving Forward
Learners explore fact families. In this math activity, students use links to model a fact family. Learners solve addition and subtraction problems.
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Using Subtraction Strategies 2
In this subtraction strategies worksheet, students review the ways to subtract and then solve the subtraction problems. Students also answer a test prep question.
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Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics instructional activity, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such...
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Choose the Operation: Problem Solving
For this mathematical operations worksheet, students use the problem solving strategy of understand, plan, solve, and look back to compare the number of birds seen in the Nature Clubs bird watching walk. Students find the correct...
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Mental Math Counts
Students use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
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Problem Solving Application: Using Circle Graphs
In graphing worksheet, 4th graders use the information from a circle graph about carnation sales to complete the steps of problem solving. They determine what they know, and how they can use the graph. They find how many more pink...
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Proving For The Crew
Students write math questions that pertain to the Lewis and Clark Expedition. In this math lesson plan, students utilize resources in the classroom to help write mathematical questions and answers that relate to the Lewis and Clark...
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Exploring Subtraction
In this math worksheet, learners take away two crayons from five crayons. A series of questions is included on the worksheet to guide students through the process of taking away. Learners tell their coach a subtraction story.
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Two-Digit Subtraction With Regrouping
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson plan, students use the regrouping method to solve the 2-digit subtraction...