Interactive
Curated OER

Solving System of Equations by Addition

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students solve systems of linear equations by addition.  The one page interactive worksheet contains ten questions.  Answers and hints are provided.
Worksheet
Curated OER

3 Digit Addition with Regrouping

For Students 2nd - 3rd
In this math worksheet, students solve 20 problems in which 3 digit numbers are added with regrouping. There are no examples on the page.
Lesson Plan
Curated OER

Subtracting Two- and Three-Digit Numbers

For Teachers 5th - 7th
In this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
Worksheet
Curated OER

Two-Digit Addition, No Regrouping/Carry-on - Missing Digits

For Students 2nd
In this addition instructional activity, 2nd graders find the missing digits in 20 two digit problems that do not require regrouping. They insert the digits in this timed instructional activity.
Worksheet
Curated OER

Understanding the Relationship Between Subtraction and Addition

For Students 3rd - 4th
For this understanding subtraction and its relationship to addition worksheet, students examine 14 number statements. They determine if the statements are true or false.
Worksheet
Curated OER

Easter Eggs in a Basket - Sums to 50 (C)

For Students 1st - 2nd
In this addition activity, learners solve the addition equations with sums to 50. Students then color the Easter eggs in the basket that match the equation with sums greater than 27. Learners solve 20 problems.
Worksheet
Curated OER

Decimal Addition

For Students 5th - 8th
In this decimal addition worksheet, students add two to four digit numbers with decimals together. Students complete 80 problems and 16 review problems.
Worksheet
Curated OER

Solve Addition and Subtraction Equations

For Students 4th - 6th
In this solving addition and subtractions equations practice learning exercise, students sharpen their problem solving skills as they solve 6 story problems.
Worksheet
Curated OER

Relate Addition and Subtraction Enrichment 14.7

For Students 1st - 2nd
In this addition and subtraction worksheet, students solve 3 problems in which lines are drawn to match the pictures to the number sentences in the same fact family. Students solve the problems.
Worksheet
Curated OER

Word Addition Problems #2

For Students 1st - 2nd
In this word addition problems practice worksheet, students use their problems solving skills to solve 5 math word problems that require them to add.
Worksheet
Curated OER

Simple Addition Practice: 1-5

For Students 1st - 2nd
In this addition practice learning exercise, students solve a total of 10 simple problems that use numbers 1-5, all problems add one digit to one digit.
Worksheet
Curated OER

Simple Addition #2: Numbers 1-5

For Students 1st - 2nd
In this simple addition worksheet, students solve 10 problems that use numbers 1-5. Every problem adds a 1 digit number to another 1 digit number.
Worksheet
Curated OER

Fun Math 10

For Students K - 2nd
In this finding the sum worksheet, students add one-digit numbers plus one-digit numbers on a worksheet with a clip art next to each problem. Students solve 15 problems.
Worksheet
Curated OER

Regroup and Subtract

For Students 1st - 3rd
In this regroup and subtract worksheet, students "use making 10 strategy" to regroup ones and tens and subtract 5 problems. A reference web site is provided.
Worksheet
Curated OER

Crossword Puzzle for Harry Potter and the Chamber of Secrets

For Students 4th - 8th
Chapter 10 of J.K. Rowling's Harry Potter and the Chamber of Secrets holds a cache of words perfect for this crossword. Learners read the definitions and write in the correct words.
Worksheet
Curated OER

Math Word Problems-Simple Addition

For Students 1st - 2nd
In this math word problem worksheet, students use space provided to show their work and complete a set of 3 simple addition problems.
Worksheet
Curated OER

Ladybird Addition

For Students Pre-K - K
In this addition worksheet, learners solve 6 problems in which single digit numbers on each side of the ladybug's body are added. The spots help students count.
Worksheet
Curated OER

Ways to Add

For Students 4th - 5th
In this addition worksheet, learners learn several different options to add the numerals twenty-four and thirty. The options are models, mental math, a hundreds chart, or pencil and paper.
Worksheet
Curated OER

Mental Arithmetic--Adding to Thousands

For Students 3rd - 4th
In this adding to thousands worksheet, students mentally add 12 problems as fast as they can without using paper and only writing down their answers. Students solve 3 additional addition problems and then explain what method they used to...
Worksheet
Math Salamanders Ltd.

Subtraction to 10 Sheet 1

For Students 1st - 2nd Standards
This subtraction worksheet helps students practice their subtraction skills. Students complete the worksheet by solving twelve one-digit subtraction problems.
Worksheet
Curated OER

Addition Exercises

For Students K - 2nd
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.
Worksheet
Curated OER

Horizontal Four Digit Place Value Addition

For Students 2nd - 3rd
In this horizontal addition worksheet, students add the 4 numbers to equal a four digit number. Students add to solve 16 problems.
Worksheet
Curated OER

Practice Math Worksheet: Addition of Single Digits

For Students 1st - 2nd
In this addition worksheet, students solve 40 problems in which single digit numbers are added. This is a drill of basic addition facts.
Worksheet
Curated OER

Add Mixed Numbers With Like Denominators (A)

For Students 4th - 8th
In this adding mixed numbers with like denominators worksheet, students problem solve and calculate the answers to fourteen addition equations.

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