In this mathematics worksheet. students multiply ones, tens, and hundreds separately and add. Then they multiply in sections and add. Students also multiply tens and ones separately and add the results.

For this triple digit multiplication worksheet, students will solve twelve triple digit by triple digit multiplication problems. A sample problem and solution is provided.

In this number words: thousands worksheet, 4th graders interactively enter the number words for 10 numerals in the thousands, with immediate online feedback.

In this mathematics worksheet, 1st graders count on tens or ones. They identify how many ones and tens that they are counting for each. Then, students write the sum for each problem.

Nineteen word problems dealing with frequency, speed, reflection, and refraction of light are provided here. Empower your physics masters to manipulate equations for computing angles, focal lengths, image heights, and more! This is a...

Here's proof that small-scale labs lead to big-time learning. Introduce acid-base interactions to middle school scientists through a microscale chemistry lab. Pupils combine a variety of solutions and use indicators to obtain approximate...

In this math worksheet, students subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.

Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of  41 missing addend problems. Answers are available.

Second graders develop the skill of place values up to the tens place. They practice identifying the values of 2 digit numbers and writing the correlating values with counting. They use the example of money to make the lesson more...

For this mental math worksheet, students answer 2 sets of mental math questions about writing whole numbers, place value, counting back and on in tens and addition and subtraction.

First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.

Third graders multiply one and two digit problems, identify place value, and maneuver manipulatives to solve problems.

In this finding the sums and differences learning exercise, students write the equations in the ones and tens columns and solve and also solve vertical problems with and without regrouping. Students solve 18 problems.

In this math worksheet, students solve twelve decimal addition problems. Students add three numbers containing up to the hundredths decimal place.

In this addition learning exercise, 3rd graders decide when to regroup in addition problems after reviewing the steps. They use a workmat and place value blocks as they complete 4 problems. They identify how many tens and ones there are...

In this math worksheet, middle schoolers solve the problems using addition and subtraction with whole numbers. They apply the calculations by lining up the place values.

In this whole numbers worksheet, students fill in different charts asking about the place value of various whole numbers. Students complete 8 problems.

In this decimal addition learning exercise, students add the decimal problems with hundredths place values. Students add to solve 40 problems.

In this decimal addition instructional activity, students complete 12 problems, adding numbers with 1 decimal place. A reference web site is given for additional activities.

In this addition learning exercise, students complete a set of 12 problems, adding numbers with 1 decimal place. A reference web site is given for additional activities.

Open this lesson plan by demonstrating the production of acidic carbon dioxide gas by activated yeast. Emerging ecologists then experiment with seashells to discover the effect of ocean acidification on shelled marine organisms. They...

Back to the basics: learning how to add numbers. The 17th installment of a 35-part module first reviews addition techniques for rational numbers, such as graphical methods (number line) and numerical methods (standard algorithm). It goes...

Money is a great medium for math problems, and learners practice with coins in these addition equations. First, they add up five sets of coins (one is done for them), writing down the totals below each. Next, scholars sequence these...

This learning exercise leads the class through the calculations needed to construct circles to represent the planets of our Solar System. The actual values are provided, as are suggested calculations to create the scale diameters. The...