Unpack double-digit numbers using this fantastic graphic organizer featuring eight place value problems. Learners separate each number into tens and ones, then write it out by completing a sentence frame. As they work through the...

Use this video to show older elementary mathematicians that they can compare numbers using the same thinking that they did when they were in the first grade. Sal compares decimal numbers using the greater than and less than symbols. He...

Scientific notation is defined and used to express the number 0.0000000003457. This concept is not as clearly defined as it could be, and is probably not suitable for those who have not had prior experience with the concept.

By adding the tens and ones place separately, beginners to addition can easily complete 10 double-digit addition problems. This is an excellent worksheet, as it visually sets learners up on the pathway to this strategy. They simply...

If your learners are learning about place value and number value comparisons, this set of engaging activities and worksheets will make your job easy! Scholars use math manipulatives to estimate and then determine how many seeds a colony...

A series of engaging activities gives second-graders practice with three-digit numbers up to 1000. They examine three hundreds charts, one with numbers 101-200, another with 901-1000, and a third counting by 10 to 1000. Worksheets give...

What a fun set of math operations activities! First, the mysterious Digit Switcher writes letters to your first-graders, challenging them to recognize patterns in three-digit numbers. Then, the class works together analyzing three-digit...

How do I solve a two-digit multiplication problem? Your class tackles this question by walking through problem solving methods. They first investigates and applies traditional multiplication methods, and they then compare those with...

Sal writes the number 63.15 in word form. He writes each number in a different color, and then writes the corresponding word in the same color to clearly demonstrate that 63.15 is the same as sixty-three and fifteen hundredths.

Put on your math caps and explore place value and ways to represent numbers. Learners read, write, and represent whole numbers. They interact with numbers as they read and explore a teacher-created story, play games, and practice their...

Having a good number sense is key to understanding place value. This video clearly explains the place values that comprise a decimal number. It is a very straight forward presentation and would be appropriate for grades 3, 4, or 5. Sal...

To develop mental math skills for adding 10s, learners read an example, solve one carefully scaffolded problem, and then complete 6 more independently. Pictures of 10-rods make the connection between sets of 10 and the corresponding...

Learners participate in hands-on activities using a hundreds chart and counting toes and fingers. They discover the patterns that are created when counting by ten. After a lecture/demo, students practice by using a worksheet embedded in...

Learners practice mental math skills by playing an online game,"Place Value!" A random number is generated either by the student or the computer. Individuals are asked to identify the place value of a specific digit, or to select the...

Explore estimation with your math class. They will estimate how many Cheerios are in a box. Then count and group 50 Cheerios on a twist tie and attach groups to represent hundreds. They then discuss and practice skip counting and revise...

Place value to the millions is the focus of this math lesson. Third and fourth graders investigate multiple ways to represent a number. They examine place value while studying factual information about Pablo Picasso. Resources are provided.

Understanding place value is a basic mathematics skill. This Khan Academy video shows students how to write the number 14,897 in the expanded form. He explains that the 7 in the ones place is the same as 7x1, the 9 in the tens place is...

Viewing this Khan Academy video helps with grasping the concept of Place Value. Learners write the word six hundred forty-five million, five hundred eight-four thousand, four hundred sixty-two in standard form, using multiplication as a...

Khan Academy assists your learner in grasping the concept of Place Value. Students will break down the number 4356 as 4 thousands + 3 hundreds + 5 tens + 6 ones, and then labels the number by place value. This video would be most helpful...

Round 9.564 to the nearest tenth with Sal. When you view this presentation, you will identify the number in the tenths place. Next you will look at the number to the right, determine if it is larger than 5. If it is, then you'll round up...

Adding decimal numbers is very similar to adding whole numbers. Sal takes you through the process in this video. First he lines up the decimal points. Then he adds each place value, regrouping when necessary.

Some excellent practice in very basic addition awaits your young mathematicians in this engaging Jeopardy-style game. Pupils can earn hundreds of dollars by answering questions correctly. The categories include: Addition with pictures up...

Some terrific practice in math awaits your pupils in this engaging Jeopardy-style game. They can earn bronze, silver, and gold medals by answering questions correctly. The categories include: Place Values in Expanded Form, Names of...

Being able to estimate, understanding place value and fractions, and solving word problems are all important skills in math. This PowerPoint is a Jeopardy-style game where young mathematicians utilize all of these skills in order to win...