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Worksheet
Curated OER

Tens and Ones

For Students K - 2nd
Learners view three problems involving adding or subtracting with ones and tens. Each problem is followed by an explanation and an answer as to how the problem should be done. Note: This resource contains incorrect grammar and could be...
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Interactive
1
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Scholastic

Study Jams! + and - Without Regrouping

For Students 1st - 4th Standards
Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...
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Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
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Lesson Plan
Curated OER

Adding and Subtracting

For Teachers K - 1st
Pupils will add and subtract numbers less than 100 as well as understand and use the inverse relationship between addition and subtraction. They compose/decompose numbers up to 10 and understand a variety of situations in which...
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Worksheet
Curated OER

1 Less or 1 More

For Students 1st - 2nd Standards
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
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Worksheet
Curated OER

10 More or 10 Less

For Students 1st - 2nd Standards
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
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Lesson Plan
Curated OER

Adding and Subtracting Bears and Goats

For Teachers 1st
First graders evaluate math problems using farm animals.  In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals.  Students discover new strategies to help them analyze their information. 
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Interactive
PHET

Make a Ten

For Students 1st - 2nd Standards
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
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Worksheet
Curated OER

Carrying to Tens

For Students 1st - 3rd
in this addition worksheet, students read about carrying tens, then complete 13 problems, circling cubes as directed and solving. A website reference is given for additional activities. 
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Lesson Plan
Curated OER

Ten More and Ten Less

For Teachers K - 3rd
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing numbers,...
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Worksheet
Curated OER

Ten More or Ten Less

For Students 1st - 2nd
Adding and subtracting 10 is easy once you understand the tricks! Learners first write numbers that are ten more than two double-digit numbers. Then, they find numbers ten less than two other double-digit numbers. An explanation on the...
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Lesson Plan
West Contra Costa Unified School District

Adding by finding 10's

For Teachers 1st - 2nd Standards
Count with ten frames in a first grade addition lesson plan. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
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Worksheet
Curated OER

10 More or 10 Less?

For Students K - 2nd Standards
Take a rocket to the stars with using a math instructional activity. Here, four sets of alien saucers, moons, rockets, and stars prompt young learners to match numbers with one more or ten more. Color the pictures for extra fun when...
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Lesson Plan
Curated OER

Calc-You-Late Magnitudes

For Teachers 1st
First graders are introduced and practice using a calculator. Individually, they enter and complete simple addition and subtraction problems. After the answer is displayed, they identify the place value for ones, tens, and hundreds...
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Lesson Plan
Curated OER

Two Digit Addition with Regrouping

For Teachers 1st - 3rd
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
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Worksheet
Curated OER

Place Value and Subtraction With Regrouping

For Students 1st - 3rd
In this place value and subtraction worksheet, students place pennies in the chart and use them to put numbers in the correct place value and subtract. Students use the pennies as ones and use them in regrouping.
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Workbook
Math Mammoth

Grade 1 Worktext

For Students K - 2nd Standards
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills or...
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Printables
Curriculum Corner

“I Can” Common Core! 1st Grade Math

For Teachers 1st Standards
Any first grader can master the Common Core math standards with this checklist! With each standard rewritten as an affirmative I can statement, children are provide with clear goals to work toward throughout the school year. Display an...
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Printables
Have Fun Teaching

Base 10 Blocks

For Teachers Pre-K - 4th Standards
Base ten blocks are a great tool for teaching young mathematicians about a number of math concepts, unfortunately they aren't always available to teachers. That is, until now. This printable resource allows all children the opportunity...