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Curated OER
Santa's List Sums (J3)
For this finding the sums worksheet, students view a chart of street names and numbers of boys and girls, add the total number of children on each street, the grand total number of children, and the total number of each sex. Students...
Curated OER
Santa's List Sums (I3)
For this finding the sums worksheet, student observe a chart of street names and numbers of boys and girls, add the number of children on each street, the grand total of children, and the total number of each sex. Students solve 20...
Curated OER
Mystery Math
Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...
Curated OER
Addition: three and two digit numbers
In this addition learning exercise, learners add three and two digit numbers together with regrouping. Students complete 40 addition problems.
Curated OER
Addition: three and two digit numbers
In this addition worksheet, students add three and two digit numbers together with regrouping. Students complete 40 addition problems.
Curated OER
Addition: three and two digit numbers
In this addition activity, students add three and two digit numbers together with regrouping. Students complete 40 addition problems.
National External Diploma Program Council
Finding an Average
Young hopefuls can practice finding the average of a group of numbers represented in tables and word problems.
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
PBS
Patterns to the Rescue!
Track down the Cyberchase episode that this instructional activity is associated with. Using a worksheet that is embedded in the plan, learners must find the next two numbers and shapes (a double pattern). Once these have been...
Curated OER
Even and Odd Numbers Closure Activity
Students practice the concept of mathematical closure as it relates to even and odd numbers. In this math lesson plan, students perform 4 different tasks to understand the number closure concept. Students identify, explain,...
Curated OER
Activity Three: The Mystery Fossil Bones Activity
In this fossil worksheet, students are given a page of bones to cut out and assemble. They create an animal with the bones and add external features to their animal. They answer questions and present their creature to the class.
Curated OER
Time to Trick-or-Treat!
Use number lines to help scholars add and subtract time as they solve five word problems. Each scenario gives a starting or ending time and several tasks that take specified amounts of time. Scholars mark the number line to determine...
Curated OER
Math Pyramid
In this math pyramid worksheet, learners add the adjacent numbers together and write their sum in the block above them in six math pyramid's.
Curated OER
Multiplying 2-Digit Numbers
In this multiplying 2-digit numbers worksheet, students solve and complete 4 different problems. First, they multiply by the right-bottom digit and then the left-bottom digit. Finally, they add all numbers together and write the answer.
Curated OER
Part-Part-Whole
In this mathematics worksheet, students identify a whole number as a combination of two smaller parts. They use counters to help them add various combinations of numbers.
Curated OER
Equivalent Numbers
Students work together matching numbers on index cards. They must match numbers in different forms, such a fractions and percentages. They compete with other groups in the class to get the most correct.
Habits of Mind
Thinking Interdependently
Transform your class into a team with a lesson about thinking and working interdependently. As they reflect on important roles for a group, elementary and middle schoolers learn to work together and think of ways that compliment...
Illustrative Mathematics
Party Favors
Pia is putting stickers into party bags. She starts by putting 10 stickers in each bag, and over the course of a week she adds several bundles of ten stickers to each bag, as well as making more bags. Second graders must find the number...
Federal Reserve Bank
FRED in the Classroom: Debt and Deficit
Here is a hands-on activity where your class members will discover different ways to measure the government's financial situation and work to add data and redraw graphs in order to calculate the ratio of gross federal debt held by...
Illustrative Mathematics
Cynthia's Perfect Punch
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Curated OER
Standard written method for addition of 2-digits
In this addition worksheet, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
Curated OER
Grade 2: Spinning Sums
Second graders collect data by spinning two spinners and creating sums, organize the data, and make conclusions from the data. Each students makes a spinner. They spin and record the number of the section each time. Students work in...
Curated OER
Bug Bite
In this addition worksheet, students add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.
Curated OER
Addition Worksheet
In this addition worksheet, students add up to 5 digit numbers together in horizontal problems. Students complete 16 problems total.