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Estimating Solutions to Word Problems

For Teachers 4th
Fourth graders explore number sense by completing word problems in class. In this estimation instructional activity, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on...
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Hopping to Addition

For Students Pre-K - 1st
In this addition practice worksheet, students find the sum of 16 equations on the lily pads. In addition, students use the codes to answer the riddle at the bottom of the sheet.
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Musical Math

For Teachers 1st - 3rd
Students play a game of mathematical musical chairs, moving from desk to desk solving addition and subtraction problems.
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Ways to Add

For Students 4th - 5th
In this addition worksheet, students 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.
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Sums

For Students K - 1st
In this early childhood addition practice worksheet, students use their problem solving skills to solve 10 problems that require them to add 1 digit numbers.
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Worksheet 29 - Interval

For Teachers Higher Ed
In this interval worksheet, students find integrals of functions, use the first derivative test to classify points, and find the local and global extrema. This one-page worksheet contains eight multi-step problems.
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System of Equations-Elimination Using Multiplication

For Students 8th - 11th
In this system of equations instructional activity, students solve 9 problems using the multiplication elimination method. Students are then asked to setup and solve 2 system of equations word problems using the elimination method.
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The Math Lesson 20

For Students 2nd - 4th
In this addition practice learning exercise, students use their problem solving skills to solve 190 problems that require them to add 2 and 3 digit numbers with carrying.
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Skip it to multiply it

For Teachers 1st
First graders make sensible estimates and check the reasonableness of answers. They make up, tell and record number stories up to 9 about given objects. They skip count in twos, threes and fives.
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Santa's List Sums [G1]

For Students 1st - 2nd
In this sum worksheet, students add total of boys and girls to find totals living on various streets. Answers are included on page 2, Christmas theme.
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Santa's List Sums [D1]

For Students 1st - 2nd
In this finding sums worksheet, learners total numbers of boys and girls to come up with a final number for "Santa." Answers on page 2.
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Santa's List Sums [11]

For Students 2nd - 3rd
In this sum worksheet, learners total numbers of boys and girls, finding the sum so that "Santa knows the number of children on each street."
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Santa's List Sums (Hi)

For Students 1st - 2nd
For this adding single digit numbers worksheet, students observe a chart of street names, boys, and girls and find the total number of boys and girls on each street, the total number of children, and the total number of each sex....
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Santa's List Sums (Ii)

For Students 1st - 2nd
In this adding single digit numbers worksheet, learners observe a chart of street names, boys, and girls and find the total number of boys and girls on each street, the total number of children, and the total number of each sex. Students...
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Santa's List Sums (E1)

For Students 1st - 2nd
For this adding single digit numbers worksheet, students observe a chart of street names, boys, and girls and add the total number of boys and girls on each street, the total number of children, and the total number of each sex. Students...
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It All Adds Up

For Students 1st
In this finding the sums learning exercise, 1st graders color in the three numbers that add up to the number in each cloud in 9 boxes. Students study the first one done for them.
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Vocabulary Challenge

For Students 4th - 6th
In this math vocabulary worksheet, students choose which multiple choice answer best defines twenty-five mathematical terms. Students place their answers on the lines provided.
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More Addition in Your Head

For Students 3rd - 5th
In this mental math addition activity, learners determine sums. In this problem solving activity, students write answers to twenty problems.
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Mentally Add Two 2-Digit Numbers pg. 1

For Students 4th - 6th
Mental math addition is the focus of this worksheet. Students apply a strategy outlined in the worksheet to find the sums. In this worksheet, students find the answers for twenty problems. Answers appear at the end.
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Rice Cookies Addition

For Teachers 4th
Fourth graders practice adding rice cookies. For this mental math lesson, 4th graders get into groups and call out numbers to each other to add mentally. Students use the rice cookies to show the answer.
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Abacus Work

For Students 4th - 6th
In this abacus worksheet, students use abacus pictures to determine 5-digit sums. In this fill in the blank worksheet, students write eight answers.
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Riemann Sums

For Students Higher Ed
In this college calculus worksheet, students write the Riemann Sum for the indicated partition and sub-intervals.  The two page worksheet contains five problems.  Answers are not included. 
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Addition: Getting To Ten Then Adding The Rest

For Students 2nd - 3rd
In this addition worksheet, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.
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Writing Equations: Addition and Subtraction 0 to 20

For Students 2nd - 3rd
In these subtraction and addition worksheets, students write the equations for the addition and subtraction sentences. Students solve 28 problems.