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Add Fractions (E)
In this fraction addition instructional activity, students review the steps for finding the sums when adding fractions with unlike denominators. They find equivalent fractions using the least common denominator, add, and reduce as...
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Add and Subtract Decimal Ten Thousandths (B)
In this decimals worksheet, students solve 40 problems in which decimal numbers to the ten thousandth place are added or subtracted. Problems are in horizontal format and may need to be rewritten.
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Add Decimal Tenths (J)
In this decimal addition worksheet, students solve 32 problems in which decimal numbers to the tenths place are added. Problems are in a horizontal format and may need to be rewritten.
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Add Decimal Tenths (H)
For this decimal addition worksheet, students solve 32 problems in which decimal numbers to the tenths place are added. Problems are in a horizontal format and may need to be rewritten.
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Add and Subtract Decimal Tenths
In this math worksheet, students add and subtract using decimals in the tenths place. Students complete 32 horizontal problems, writing the answers in the space provided.
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Horizontal Three Digit Place Value Addition
In this addition activity, 3rd graders focus on adding three different numbers. Students solve for 16 horizontal problems with no regrouping necessary.
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Horizontal Four Digit Place Value Addition
In this addition activity, 3rd graders focus on adding four different numbers. Students solve for 16 horizontal problems with no regrouping necessary.
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Addition - Up to 12
For this addition worksheet, students solve the horizontal addition problems. Students count on from the addend given to get the find the missing addend.
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Adding a Single Digit
In this problem solving addition worksheet, students add three digit numbers to one digit using regrouping. Students solve for 25 problems that are written horizontally on the page.
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x- and y-Intercepts
In this x- and y-intercepts worksheet, 9th graders solve and graph different problems related to linear equations. First, they determine the x- and y-intercepts by plugging in 0 for each and solving. Then, students find at least one more...
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Add Fractions With Like Denominators (J)
In this fraction instructional activity, students focus on addition of fractions. Students solve 14 horizontal problems with like denominators.
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Add Fractions With Like Denominators (I)
In this fraction worksheet, 4th graders focus on addition of fractions. Students solve 14 horizontal problems with like denominators.
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Adding Multiple Digits Practice Sheet
In this addition skills worksheet, students convert horizontally listed multiple digit addition problems into vertical format. They then solve the 21 problems vertically.
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Adding Decimal Fractions Mentally
In this decimal addition activity, students solve 14 problems in which decimal numbers to the tenths or hundredths place are added. Problems are in horizontal format and students are encouraged to add mentally.
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Adding on Two
In this math learning exercise, students practice adding two to a number. Kids complete 20 problems written horizontally. Example: 26+2=? Students also practice counting by two with both even and odd number sequences.
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Single Digit Horizontal Addition
in this addition worksheet, students complete 18 horizontal problems, adding 2-single digit numbers together. A reference web site is given for additional activities.
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2-Digit Horizontal Addition
For this addition worksheet, students complete a total of 18 horizontal addition problems, adding one 2-digit number to another. A reference web site is given for additional activities.
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Add Numbers 11 to 20-Horizontal
In this addition worksheet, students complete a total of 16 problems, adding numbers 11 through 20. Answers are included on page 2.
Cornell University
Buoyancy
Swimmers know to float by turning their bodies horizontally rather than vertically, but why does that make a difference? In an interesting lesson, scholars explore buoyancy and the properties of air and water. They test cups to see which...
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Adding Zero
In this addition instructional activity, 1st graders focus on addition with the number zero. Students complete 14 horizontal addition problems adding single digits with zero.
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Addition With Decimals - A
In this finding the sums worksheet, students add whole numbers with decimals adding zeros to make equivalent place values. Students solve 30 problems.
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Addition Trail Puzzles
In this addition puzzle worksheet, 3rd graders find the trail of numbers in each puzzle. They start with the number in the start position, and work their way by adding horizontally and vertically through the puzzle to reach the end sum.
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Adding single-digit and three-digit numbers
In this addition worksheet, students complete eighty horizontal addition problems. Addends in the problem are single digits and three-digits.
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Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...