Curated OER
Sum It Up!
Students practice addition facts. In this math lesson, students play "Sum it Up" in order in increase their speed in recalling their addition facts.
Curated OER
Missing Addend - sums with 6 and 7
In this missing addend instructional activity, 2nd graders complete the missing numbers to addition problems where sums are between 6 and 7 where the numbers are represented by cubes. Students complete 16 problems.
Curated OER
Missing Addends-Sums With 6 and 7
In this missing addend worksheet, students fill in missing numbers above pictures of blocks. Each problem has a sum of either 6 or 7. A reference web site is given for additional activities.
Curated OER
Missing Addend Sums With 8 and 9
In this addition worksheet, learners complete problems with sums of eight and nie. students solve 12 problems, solving for the missing addend in each.
Curated OER
Addition with sums to 10
In this addition activity, students add one digit numbers with sums up to 10. Students complete 12 addition problems.
Curated OER
Addition with Sums to 20
In this addition practice worksheet, students solve 15 problems that require them to add 2-digit numbers to 1-digit numbers with sums to 20.
Improving Measurement and Geometry in Elementary Schools
The Sum of the Interior Angles of a Polygon
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this lesson.
Curated OER
Addition - Sums to 9 (3 of 3)
Simple summation skills are the meat and potatoes of future arithmetic skills. Use this worksheet to provide practice for your first graders when adding single digits. Answers are provided by the click of a box at the top of the page,...
T. Smith Publishing
St. Patrick's Day Addition (Sums to 100)
In this Irish-themed math learning exercise, your leprechauns solve 20 problems. All of them involve two-digit numbers added to two-digit numbers and require regrouping. Learners write their answers in a shamrock on the page which has a...
Curated OER
Sum It Up
After a review of the steps involved in writing a summary, class members read The Physics of Baseball by Sarah Ives and use a story web to identify the important details to include in their summary. Class members then choose an article...
Curated OER
Addition Properties
Addition becomes much simpler once scholars understand its properties. They examine the commutative property through five equation pairs. For each, the addends have been switched and scholars must fill one in. The next six problems give...
DK Publishing
Adding Fractions
Fractions can be tricky, so be sure any independent practice worksheets you assign guide scholars through steps like this one. There are two examples showing mathematicians how to add fractions and reduce the answer to simplest terms....
Curated OER
Triangle's Interior Angles
Given a pair of parallel lines and a triangle in between, geometers prove that the sum of the interior angles is 180 degrees. This quick quest can be used as a pop quiz or exit ticket for your geometry class.
Curated OER
Summing Up the Disaster
Learners are introduced to news writing being a concise, factual, and informative type of writing. They assess that publishing an article in a newspaper style utilizes a word processing program. Each student researches the Titanic and...
Curated OER
Colorful Partners
In this addition worksheet, students study a 25 square grid with addition problems. Students color sums of 7 red, sums of 8 blue and sums of 9 green.
Curated OER
Addition Worksheet
In this addition instructional activity, learners will determine the sum of 20 four-digit addition problems. Students will utilize regrouping to determine the sum.
Curated OER
Addition Worksheet
In this addition worksheet, students will determine the sums of 20, three digit addition problems. Students will utilize regrouping to determine the sum.
Curated OER
Addition Worksheet
In this addition worksheet, students will determine the sum of 16 double digit addition problems with three addends each. Students must utilize regrouping to determine these sums.
Math Mammoth
Polygons
For this polygon activity, students identify similar polygons and corresponding sides. They use a compass and ruler to construct polygons, determine the sum of the angles in a given polygon. There are 4 multi-step problems in this...
Curated OER
Number Sense and Operations
In this number sense and operations worksheet, 5th graders solve 17 different types of problems that include estimation and determining the exact answer of an equation. First, they determine the sum of two numbers closest to one listed....
Curated OER
Addition Worksheet
In this addition activity, students will determine the sums of 20 double digit addition problems. Students will utilize regrouping to solve the problems.
Curated OER
Addition Worksheet
In this addition worksheet, students will determine the sum of 20 double digit addition problems. Students will utilize regrouping to solve the problems.
Curated OER
Addition Worksheet
In this addition instructional activity, learners will determine the sum of 16 addition problems where there are three four digit addends and regrouping is necessary.
Curated OER
Addition Worksheet
In this addition worksheet, students will determine the sum of twelve addition problems with four addends each where they will need to utilize regrouping.
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