Curated OER
Addition and Estimation
In this addition and estimation instructional activity, students complete 3 sections in which they use estimation and addition to solve the problems. There are 8 problems on this instructional activity and students can check their answer...
Curated OER
Sums
For this addition worksheet, students add two-digit vertical numbers with some regrouping to find the sums. Students solve twelve problems.
![Santa's List Sums [D1] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217918/large/nziymzuxlmpwzw.jpg?1414307644 "Santa's List Sums [D1] Worksheet")
Curated OER
Santa's List Sums [D1]
In this finding sums worksheet, students total numbers of boys and girls to come up with a final number for "Santa." Answers on page 2.
![Santa's List Sums [G1] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217915/large/nziymzq4lmpwzw.jpg?1414307643 "Santa's List Sums [G1] Worksheet")
Curated OER
Santa's List Sums [G1]
In this sum worksheet, learners add total of boys and girls to find totals living on various streets. Answers are included on page 2, Christmas theme.
Curated OER
Finding Largest Sum
In this addition worksheet, students arrange the numbers 2, 7, 5, and 8 to get the largest sum Students write the numbers in the boxes and then find the sum. Students then explain how they know this is the best way to arrange the numbers.
Curated OER
Independent Practice: Visual Sums of 3 Numbers
In this addition activity students will solve ten addition problems involving the sum of three numbers. Students will look at a picture to help them visualize and solve the problem.
Curated OER
Arithmetic Series, Geometric Series, Partial Sums of Geometric Series
In this Algebra II/Pre-calculus learning exercise, students solve problems that involve arithmetic series and infinite geometric. Students determine the partial sums of a geometric series. The three page learning exercise contains...
EngageNY
Interpreting Expected Value
Investigate expected value as a long-run average. The eighth installment of a 21-part module has scholars rolling pairs of dice to determine the average sum. They find aggregate data by working in groups and interpret expected value as...
Curated OER
Easter Addition
In this Easter addition worksheet, learners problem solve and calculate the answers to twenty-five addition equations and color all of the Easter eggs that have an even numbered sum.
Curated OER
Easter Addition
In this Easter addition worksheet, students problem solve and calculate the answers to twenty-five addition equations and color all of the Easter eggs that have an even numbered sum.
Curated OER
Easter Addition
In this Easter addition worksheet, students problem solve and calculate the answers to twenty-five addition equations and color all of the Easter eggs that have an even numbered sum.
Curated OER
Number Search Y4: Make 12
In this number search worksheet, students find and highlight at least 12 addition, subtraction, multiplication and/or division math problems that make the sum of 12.
Curated OER
Magic Squares
In this magic squares instructional activity, students add up the sum of the rows, columns, and diagonals to see if they are all the same and write the magic number. Students complete 4 magic squares.
Curated OER
Magic Squares
In this magic squares worksheet, students add up the sums of the rows, columns, and diagonals and they all have to be the same. Students complete 4 magic squares.
Curated OER
Magic Squares
In this magic squares worksheet, students add up the sums of the rows, columns, and diagonals and they all have to be the same. Students complete 4 magic squares.
Curated OER
Section 12-5: Addition and Subtraction of Radicals
In this radical instructional activity, students find the sum and difference of given radicals. They simplify radical expressions. This two-page instructional activity contains 10 multiple-choice problems. Answers are...
Curated OER
Rational Numbers
In this rational numbers worksheet, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students evaluate...
Curated OER
Magic squares
In this magic squares instructional activity, students add up the sums of the rows, columns, and diagonals and they all have to be the same. Students complete 4 magic squares.
Curated OER
Use the Clues
In this reasoning worksheet, 2nd graders, after looking over the example, read 3 clues 3 times to find the 3 numbers that make each sum in 3 boxes.
Curated OER
Add and Compare enrichment 10.5
In this addition activity, students add the ones columns and fill in the carry squares, add the tens, then order the sums. Students solve ten problems.
Math eBook
Matrix Addition
In this matrix worksheet, students find the sum of given matrices. This four-page worksheet contains 20 multi-step problems.
Curated OER
Magic Squares
In this magic squares learning exercise, students add up the sums of the rows, columns, and diagonals and they all have to be the same. Students complete 4 magic squares.
Curated OER
Magic Squares
In this magic squares learning exercise, students add up the sums of the rows, columns, and diagonals and they all have to be the same. Students complete 4 magic squares.
Curated OER
Measuring Angles in a Triangle
High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The activity provides an...