Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...

In this rounding whole numbers and estimating sums and differences worksheet, students problem solve and calculate the answers to forty two mathematical equations.

Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...

In this math worksheet, learners learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...

For this estimation worksheet, students mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...

Young scholars develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.

In this estimation worksheet, students read story problems, determine the correct operation, and mentally evaluate the problem by using compatible numbers or through the process of rounding. Students complete three multiple choice problems.

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...

Second graders examine the relationship between addition and subtraction. In this number sense instructional activity, 2nd graders practice their computation skills and use various strategies (including manipulatives...

A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.

Common Core is all about getting your learners to open their minds and think about the why and how. This problem has them thinking about unknown numbers and their relationship with one another when we round and...

In this math worksheet, students will work with a coach to add and subtract numbers with decimals to the hundredths. Students will follow a step-by-step process and notes are provided for the coach.

Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.

Profit always seems to get everyone's attention. The same is true during a lesson on estimation. Learners use given information to estimate the cost of supplies for a painting job. They then develop a strategy for estimating the...

Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...

First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.

Students complete a unit of activities to learn about states of matter and how to measure matter. In this matter lesson, students complete 8 lessons to learn about matter, its states, and how to measure matter.

Learners use estimation to determine the answers to word problems by rounding whole numbers. For this estimation lesson plan, pupils compare and contrast solutions using the best answer.

Pupils use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...

Young scholars explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.

Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...

Youngsters discover the difference between estimating and guessing. They estimate how many items are contained in a jar as they read a story. After the story, pupils discover the differences between estimating and guessing and create a...

Students collect objects to use in a classroom store. In groups, they must place a value on each object and take turns spending their fake dollar in the store. They predict how much they can buy and use addition and subtraction to...

First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.