The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...

In this finding the sums worksheet, students add one-digit plus one-digit numbers on a page with fun clip art next to each problem. Students solve 15 problems.

Learners complete a total of 12 problems; all problems add 2 five-digit numbers. Must open page from source to view graphics.

In this addition worksheet, students read then solve 6 word problems. Students use single digit addition to solve each of the problems.

Kindergarteners use the dice reproduced on this learning exercise to demonstrate their understanding of concepts of addition and missing numbers. After counting the dots on each die, young mathematicians write the number below each...

Single-digit addition is needed to solve these word problems. There are 6 simple word problems for learners to complete.

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...

Chemists consider a situation in which an ethanol producer needs to determine how much to add to t-butanol to prevent freezing during transport. They work in the laboratory to obtain the freezing point depression constant for the...

Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...

You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.

Eliminate young mathematicians' confusion over performing operations with integers using this set of classroom displays. Providing learners with simple, easy-to-follow rules, this resource will have students fluently adding,...

Kids are challenged to make a human number line. They line up, holding numbers from -10 to 10. They then add and subtract both positive and negative numbers, using themselves as the numbers on the number line. This is a great way to...

Elementary math minds complete various activities to memorize the multiples of nine. They watch a PowerPoint presentation and demonstrate the finger trick. Unfortunately the link to the multiplication activities does not take you...

Trying to figure out the perimeter of a geometric figure? Here are a few word problems to set up algebraic equations to solve for perimeter. There are also some word problems to set up algebraic equations to solve for angles in a...

Young mathematicians study the relationship between skip counting and multiplication. They build on skip counting skills and examine arrays while studying multiplication. Resources are provided.

Take a rocket to the stars with using a math worksheet. Here, four sets of alien saucers, moons, rockets, and stars prompt young learners to match numbers with one more or ten more. Color the pictures for extra fun when students are...

Learn about the interesting life of George Washington Carver and his many accomplishments with this series of worksheets for primary grade learners. From coloring pages and word searches, to non-fiction reading passages and math skills...

First graders work with partners, using cubes to make addition sentences. In this math instructional activity, 1st graders separate cubes into 2 parts and discuss the relationship to addition sentences. Students practice separating...

First graders examine the number line as an addition strategy. In this math lesson, 1st graders create a number line and use it to help them solve addition problems.

Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...

In this addition with picture clues worksheet, students solve 4 problems in which numbers below 5 are added and the correct answer circled from 3 choices. The second page has teacher tips.

In this subtraction worksheet, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.

Second graders use cards to create 3-digit addition problems and add them together. In this addition lesson plan, 2nd graders add numbers with and without regrouping. Students use a deck of cards to play an addition game in pairs. A very...

For this addition practice worksheet, students act out 6 problems with math counters as they solve 6 math problems by writing addition number sentences.