Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways...

From filling in the missing number to filling in the missing letter; to writing fluency sentences to skip counting and matching, a complete set of back to school math a literacy centers will not disappoint. Use these activities...

Humans have been developing number systems for thousands of years, and while they can be very different from one another, they can also share surprising similarities. Take your young mathematicians on a journey through the history...

Second graders count the number of balloons represented in groups of hundreds, tens, and ones, then compose a three-digit number. There are three problems to solve.

All kids learn differently. For some, mental math is the best and most efficient way to add a series of numbers. After viewing a few sample problems, learners find ways to add numbers to 10 before adding them all together, and then write...

Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...

Young mathematicians concentrate on learning to fluently count. Following the rules of the classic game Memory, children take turns flipping over cards in order to find pairs of numbers that cross a decade (e.g. 29 and 30). For younger...

Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills...

Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.

Class members investigate how positive and negative numbers are useful in the real world. Individuals first read a short passage and identify terms indicating positive and negative numbers. They consider situations involving positive...

Hee-haw! Have a bale of fun with these agricultural games! Five games are geared up for kindergarten through fifth grades and are useful for addressing Common Core standards in mathematics.

Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....

Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...

Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!

[Free Registration/Login may be required to access all resource tools.] The video shows a model of how to group using tens and ones, subtract, and then count what is left using the grouping. The video is followed by a series of practice...

Practice grouping objects by tens. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students grouping objects by 10s. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Inca temples are made up of lots of blocks! Visit Cava and help her count the blocks and arrange them properly. You will practice writing 2-digit numbers, putting a set of 2-digit numbers in order, and counting forwards by tens.

This lesson is about counting by tens from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

Number rack facilitates the natural development of children's number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction...

A stem and leaf plot is a graphical representation for investigating variation. You will convert an ordered stem and leaf display grouped by tens into an ordered display grouped by fives.