Lesson Plan
Curated OER

Number Base Clocks

For Teachers 4th - 9th
Students investigate place value in base ten. For this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to...
Lesson Plan
Curated OER

Subtracting With the Hundreds Place And Regrouping

For Teachers 3rd - 4th
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Worksheet
Curated OER

Mental Arithmetic Sets 3 and 4

For Students 3rd
In this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting. 
Worksheet
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Addition and Subtraction: Basic Word Problems

For Students 2nd - 3rd
In this work problem worksheet, learners complete a set of 10 addition and subtraction problems. Answers are included on page. Problems are beginning level.
Worksheet
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Two-Digit Addition and Subtraction (R)

For Students 2nd - 3rd
In this addition and subtraction practice activity, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
Worksheet
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Two-Digit Addition and Subtraction (Q)

For Students 2nd - 3rd
For this addition and subtraction practice worksheet, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
Worksheet
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Math – Writing Equations : Subtraction

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

Subtraction Worksheet: Numbers to 9 (1 of 3)

For Students 1st - 2nd Standards
Single-digit subtractions skills are super important in the early grades. The linked resource is the first of three such pages accessible through this website. By checking a box at the top of the page, answers can be revealed. Consider...
Worksheet
Helping with Math

Addition Worksheet: Totals 9 or less (2 of 3)

For Students K - 2nd Standards
There are 36 single-digit addition problems on this page. Some are arranged horizontally and some are arranged vertically. Use this assignment to provide practice with these essential addition skills.
Worksheet
Helping with Math

Addition Worksheet: Totals 9 or less (1 of 3)

For Students K - 2nd Standards
Here is the first in a series of three single-digit addition worksheets. The first 24 of the problems are horizontally written, while the remaining 12 are vertical. At the top of the webpage is a place to check off a box that will reveal...
Worksheet
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St. Patrick's Day Missing Digits (G)

For Students 4th - 6th
For this St. Patrick's Day missing digits worksheet, students figure out the missing digits in twenty-two addition, subtraction and multiplication equations.
Worksheet
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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.
Worksheet
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Subtraction (pg 1)

For Students 2nd - 3rd
In this subtraction worksheet, students utilize a number line to figure out the answers to 10 single and double-digit whole number subtraction problems.
Worksheet
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Math – Word Problems : Up to 2-digits Without Regrouping

For Students 2nd - 3rd
In this addition and subtraction practice worksheet, students solve 6 word problems that require them to add and subtract using 2-digit numbers.
Worksheet
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Checking Subtraction with Addition and Writing Number Sentences

For Students 3rd - 4th
In this math worksheet, students complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.
Worksheet
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Double Deckers- Addition and Subtraction Practice

For Students 1st - 2nd
In this addition and subtraction instructional activity, students complete number sentences using the given digits. They write an addition problem on top of a subtraction problem by filling in the blanks that are shown in pictures of...
Worksheet
Curated OER

Missing Digit Operations (B)

For Students 4th - 6th
In this multiple operations math worksheet, students use their math skills to solve 30 problems by filling in missing digits. Students should pay close attention to operation signs as there are addition, subtraction, multiplication, and...
Worksheet
Curated OER

Dinosaur Addition

For Students Pre-K - 1st
In this math with counters learning exercise, students use their math skills to solve the 3 problems that require them to add with 1 digit numbers.
Worksheet
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Subtraction: numbers up to 15

For Students 1st - 3rd
In this subtraction worksheet, students subtract one and two digit numbers up to the number 15. Students complete 10 multiple choice problems.
Interactive
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My Test Book: Addition and Subtraction

For Students 2nd - 3rd
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding addition and subtraction of 2-digit numbers. Students may view the correct answers.
Worksheet
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Addition and Subtraction 1

For Students 3rd
In this addition activity, 3rd graders solve 10 addition math problems involving 2, 3 and 4 digit numbers. Students write their sums on the activity.
Worksheet
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Fun Math Worksheet: Subtraction #2

For Students 3rd - 4th
In this subtraction worksheet, students complete a total of 12 problems, subtracting 3 and 4 digit numbers from 4 digit numbers. Answers are included.
Worksheet
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Ten Subtraction Problems

For Students 4th - 6th
In this subtraction instructional activity, students solve ten problems in which one digit numbers are subtracted. Some of the answers will result in negative numbers.
Printables
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Elementary AMC

Earth Day Math

For Teachers 3rd - 5th Standards
Take some time this Earth Day to nourish the growth of your young mathematicians with this series of task cards. Whether it's the four basic operations, place value, money, or elapsed time, these conservation-themed problems...