In this number sense instructional activity, students complete each of 4 word problems using decade numbers. They add or subtract to determine the answer to the problem.

Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...

Students use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...

In this math worksheet, students look for the answers to the addition with fractions of the same denominator. There is a button at the top of the page for the answers.

Students practice the concept of moving in clockwise and counterclockwise directions to tell time using addition and subtraction.

Students practice addition and subtraction skills while practicing jumping rope. They must jump rope using a variety of basic rope jumping skills and add and subtract in their heads.

Students practice moving different ways with different locomotor skills. They practice addition and subtraction problems.

Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the lesson.

In this money activity, learners complete a chart showing the value of money and how the amount of money could be written in words. Five examples are given. Fifteen more numbers can be added. Money amounts are given in pounds.

Third graders, in pairs, create math story problems on computers. Skills include multiplication or addition and subtraction in two-step problems. After devising their problems, 3rd graders type them and use pictures to illustrate them....

Students use music to study concepts in math. In this music math lesson, students sing songs, read books, and learn counting skills in frog themed activities.

Students discuss pyrotechnics and what they have noticed about their height and speed. They think about the path which fireworks follow which is a parabola. They follow multiplication patterns to determine the Zero Product Property and...

Students receive instruction to answer the question "What is coal?". They then participate in several puzzles and problems to explore the subject of coal. They solve addition and subtraction problems and match letters with the letter...

Students practice theories dealing with equals sign used as a balance, inequality symbols and practice utilizing a box or some other geometric shape to represent an unknown number. They assess numeracy problems embedded in language-rick...

In this subtraction learning exercise, students will subtract zero from one, two and three digit numbers. The equations are presented vertically.

Pupils throw bean bags at stacks of blocks. They record the results and write the corresponding mathematical equations.

Learners in grade K-3 prepare a meal once a week for 16-20 residents at Welcome House, a homeless shelter in South Kingstown, Rhode Island. This Feinstein Kids Can Make a Difference community service project provides students with...

For this word problem worksheet, students complete a total of 40 simple word problems that include addition and subtraction.

Learners and teacher talk about arrays of numbers like the ones in A Square of Circles. They check to see that the rows all have the same sum; that the columns all have the same sum; and that the diagonals have the same sum.

Third graders review the concept of place value and number sense. With a partner, they are given four cards with numbers on them. Using the cards, they practice making new numbers and completing addition and subtraction to find the...

Students complete activities to study the concept of place value notation. In this place value lesson, students use cards for the days of the month that only number from 1 to 9. Students find a subtraction pattern to determine the amount...

Students examine why having standardized units of measurement is important. They investigate the use of non-standard measure, twigs, while measuring the piece of tape. Next, they experiment with straws, paper clips, and rulers before...

In this computing time with one clock worksheet, students examine and practice adding and subtracting time based on what a clock shows.

Pupils practice adding and subtracting mentally and use the words more and less to describe whether they are adding and subtracting. They use cards to play this math game.