For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.

Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...

Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...

There are some missing parts in these addition and subtraction problems. Scholars start by completing two number sentences, each involving all three-digit numbers. Then, they examine another number to determine the value of the tens...

Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly activity provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...

Give your scholars some basic practice with addition and subtraction problems. Because the answers are explained at the bottom, consider projecting this and covering up the bottom, revealing only after class responses have been shared....

These addition and subtraction problems probably aren't written the way your scholars are used to seeing them, especially since they have double-digit addends and subtrahends. This set of eight horizontal equations gives...

Three-digit numbers are the name of the game here! Scholars convert 456 to expanded form, then complete one addition and one subtraction problem. The equations are written vertically, and the addends produce a four-digit number. There is...

Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...

In this finding the sums and differences instructional activity, 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.

Exercise those mental math muscles! This instructional activity contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a...

Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...

In this math worksheet, young scholars solve problems involving money. The first problem has four questions that guide the student through the problem solving process. The final four problems are computation problems involving money, but...

For this addition worksheet, students use pictures of bars and numeric problems to add whole tens and complete addition problems. A website reference is given for additional activities. 

For this addition worksheet, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.

Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.

Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...

In this math worksheet, young scholars will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.

In this math worksheet, students will work with a coach to solve a story problem in which they must subtract three-digit numbers. Students will follow a step-by-step process and notes are provided for the coach.

Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...

For this mathematics instructional activity, students first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems...

In this word problems worksheet, students add 1-digit numbers and subtract tens to problem solve. In this short answer & fill in the blank worksheet, students write answers to two problems.

Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...

In this counting instructional activity, students complete activities, first counting in ten's, then two's. Students give numbers that are 10 more or less, 2 more or less,  circle and write numbers that = 10 and solve number problems.