Area is a quantity that can be calculated both by adding and by multiplying units.

Use your addition and subtraction skills to find out the answer to a mystery riddle! This worksheet helps kids build addition and subtraction fluency.

Children learn how to identify and punctuate non-identifying clauses, then practice adding them to sentences

In this 3rd grade math worksheet, your child will practice calculating perimeter and adding whole and half numbers.

In this geometry exercise, children calculate the perimeter of various trapezoids by adding up the lengths of their sides.

Learners will help the detectives complete their crime report and solve a curious case by adding the missing descriptive adjectives!

Hone your haunting writing skills this Halloween with a ghostly grammar sheet! This will help your child practice adding adjectives to sentences.

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

Students refine their addition skills with these single step word problems. Practice adding the heights of U.S. Mountains by referring to the chart provided.

In this worksheet, learners will change the meanings of 20 words by adding the prefixes dis-, -re, or -un to them.

Super powers and saving the world will make any child want to write! Your third grader will learn about adding supporting details to their main idea.

Did you know that multiplying a number by two is the same thing as adding that number to itself? Use this trick in this lovely math worksheet.

Don't write in black and white if you can write in color! Make your writing really POP by adding a splash of color with some great adjectives.

Put your learner's punctuation skills to the test and challenge them to correct the story by adding all of the missing punctuation marks.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Stretch those writing skills with this "stretch a sentence" activity! Young writers will learn to expand on an idea by adding more details to a sentence.

This worksheet helps kids practice connecting independent and dependent clauses are connected using subordinating conjunctions.

This fun game provides a number line that students can use to visualize subtraction. Students will practice adding three-digit numbers on a number line with this game, Go Froggie!

Use this resource to practice taking simple sentences and expanding them by adding subordinating conjunctions.

The sentences on this third grade writing worksheet are pretty boring. Kids liven up the sentences by adding descriptive adjectives to the fairy tale nouns.

Adding and subtracting large numbers can sometimes be difficult. Estimating is an easy way to figure out if your answer is close, or if you need to try again.

As students write stories, encourage them to add dialogue to their writing with this fun worksheet. Students practice both correctly punctuating dialogue and adding details to make their writing pop!

Good writers add detail to their sentences to help readers understand and visualize the context. A prepositional phrase is the key! In this exercise, your students will improve sentences by adding prepositional phrases.

Adding "ed" or "ing" to a word that ends in a consonant can be tricky. Practice choosing the correct spelling of words ending in "ed" or "ing".

Help your students understand fractions while adding some color to these shapes! With this helpful math resource, students will create a visual representation of fractions by coloring the parts of the shape indicated by each fraction.

Kids completing this third grade reading and writing worksheet practice using suffixes by adding -ful or -less to words to finish sentences.

The distributive property means you can multiply a sum or difference by multiplying each number separately and then adding or subtracting the products. This worksheet will help your kids apply this important concept and set them up for algebraic success!

Give students a helpful strategy for addition with improper fractions and mixed numbers.

This fruit-themed activity will help your students connect repeated addition for 5's and 6's in order to see how multiplication works. It serves as a great visual for budding mathematicians, and kids will love adding up the different groups of fru

Take your Brainzy friends with you on your next reading journey with these colorful bookmarks!