Curated OER
One Digit Addition; With Regrouping-Z
In this math worksheet, students add two single digit numbers. The worksheet has the silhouette of a bat in the background. Problems are presented in column format.
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Addition and Subtraction Facts- Eleven Worksheets
In this addition and subtraction worksheet, students solve 220 problems. Each page has two columns of ten basic addition or subtraction facts. These are basic drills with no examples or instructions.
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Column Addition- 3 Digits, Sheet 6
In this addition activity, students complete a set of 12 problems, adding 2 and 3 digit numbers. Numbers must be arranged vertically and problems completed. A reference web site is given for additional activities.
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Addition Exercises
In this adding one worksheet, students add numbers in a two-column graph to find the sums by adding one to the numerals one to nine in sequence and observe the answer patterns. Students find eight sums.
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Addition and Subtraction
For this addition and subtraction worksheet, students add and subtract three and four-digit numbers with decimals. They justify their answers. This two-page worksheet contains approximately 12 problems.
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Count by 5s, 10s, and 100s
These number sequences are missing digits! Each of the six has one missing number and scholars must figure out what it is. Here's the pattern, though: all of these sequences involve counting by 5s, 10s, and 100s. Learners add one of...
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Answer Match
In this addition and subtraction practice worksheet, students solve 26 problems that require them to add and subtract using 3-digit numbers. Students match the problems that have the same sums and differences.
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Adding Greater Numbers
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
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Add the Problems
In this math worksheet, learners practice addition of three 1-digit numbers in a column. There are 12 problems on the page written vertically.
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Introduction: Single Digit Multiplication Tables
In this multiplication worksheet, students study two samples of single multiplication tables. Students solve two single-digit multiplication tables multiplying by 6 and 8.
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Multiplying Whole Numbers
For this multiplication of whole numbers worksheet, students follow step by step directions to multiply two pairs of numbers without using a calculator.
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Practice in Prime Factorization
In this practice in prime factorization worksheet, students solve 8 columns of 10 problems each about prime factors for two and three digit numbers, plus two review problems in each column.
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Same and Different
For this mathematics instructional activity, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems...
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Add and Subtract within 20 - Guided Lesson Explanation
Provide second graders with an explanation for how to find the total value of numbers written in a series of boxes.. The resource provides answers and explanations for problems on a referenced activity that is not included.
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Together Forever
For this transposing digits worksheet, students solve and complete 5 different addition problems. First, they transpose the letters to digits in each addition problem listed. Then, students determine which of the five possible answers...
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Four + One = Five
For this algebra worksheet, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.
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Arithmetic Revisions
In this algebra learning exercise, students perform basic addition and subtraction operations by finding the missing digits. There are 30 questions dealing with multiplication, addition and graphing.
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Add and Subtract Decimals
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
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Add and Subtract Whole Hundreds
In this addition and subtraction activity, students add and subtract whole hundred numbers. Students complete 5 problems on this activity.
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Critical Thinking - Week 11
In this critical thinking worksheet, students complete problems which require abstract reasoning and logic. They complete logic puzzles involving sums of an array, finding the maximum number of integers under given conditions, and card...
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Subtracting Greater Numbers
In this subtracting greater numbers worksheet, pupils, with a partner, problem solve and calculate the answers to six addition equations.
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Wedded Bliss
In this Algebra I worksheet, 9th graders solve a cryptogram involving addition. The one page worksheet contains one question. Solutions are included.
Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.