In this estimating and measuring angles worksheet, students examine 6 angles, estimate their measurements, and then measure them using a protractor.

Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...

A fabulous presentation on multiplication and division facts. In it, learners work in pairs to solve all sorts of problems, puzzles, brain teasers, and mental math problems. These problems focus on multiplication, division, rounding, and...

Explore the concept of rounding numbers to the nearest dollar or dime. Youngsters use a "round-o-meter" to determine which direction to round a number. They make round-o-meters out of a piece of paper, a piece of string, and a paper clip.

Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.

Simulate chariots and driver and practice rounding numbers with your class. In teams of three, they race to the finish line where the teachers asks the chariot driver to round a certain number. They take turns being the driver.

When three classrooms are to split up prize money, your mathematicians must find the percentage that each class deserves and calculate the total amount. There is an option to use a calculator and practice rounding. 

Learners round three-digit and four-digit numbers to the nearest hundred. They solve 10 problems.

In this proportion word problem instructional activity, students read real-life problems and solve proportions. This four-page instructional activity contains 18 problems. Answers are provided on the last page.

Explore all things decimal in this thorough series of introduction activities. Including scripting for the teacher and detailed descriptions and examples, the plan begins by reviewing the basics of place value and writing fractions as...

NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...

Access prior knowledge to practice concepts like order of operations and exponents. Your class can play this game as a daily review or as a warm-up activity when needed. They work in groups of four to complete and correct review problems.

Examine wood bugs and their habitat. Learners gather wood bugs and examine their bodies. Then discuss their body parts and how they help them survive. They also predict where they think wood bugs live to then graph the class results.

Kids use their hands, bodies, and voices to explore the musical concept of a round. They say vegetable words while stomping and clapping out a rhythm in unison and then in a round. They then sing a round while maintaining a steady beat....

Here is a decimals worksheet in which learners round numbers to the nearest whole number. They complete 10 problems total on this worksheet.

How much does a seagull weigh? Kids estimate weight by choosing the closest option out of three, using ounces, pounds, and tons. 

Students examine uses for estimating, and round purchase prices to estimate total purchases in a simulated school store setting. They discuss what it means for an item to be on sale, and observe the teacher work through the process of...

Want to hear a joke about sodium? Na. Young scientists test various materials to identify if they include protein, starch, and glucose by using the Biuret test, iodine starch test, and Benedict's test respectively. After practicing with...

Comparing and rounding decimals are skills that take practice. This presentation does a great job of clearly showing how to do these techniques, and has many slides where learners get practice while being guided through all of the steps....

Mathematicians need to know that not all numbers are rational. We approximate irrational number with rational numbers. That is why a calculator may be misleading. This task give learners an opportunity to see how rounding a number and...

What is a quick comparison, and how can it help you estimate sums and differences? For this estimation worksheet, learners estimate fractions in addition problems. They complete four problems where they estimate the sums after reviewing...

Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...

Would you rather have a million dollars or 1 x 10^6 dollars? To find the answer to this question, class members first complete an assessment task converting numbers between decimal notation and scientific notation. They then take...

Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...