Curated OER
Adding More Than Two Numbers
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
Curated OER
The Part-adder 1
Second graders investigate the addition of whole numbers. They mentally perform calculations involving addition and subtraction. They make sensible estimates and check the reasonableness of answers.
Curated OER
Teaching Place Value
Utilizing mathematical literature and games are two excellent ways to introduce and teach place value.
Curated OER
Title Balancing With Tidy Numbers
Students use math manipulatives (ice block sticks) to show the addition of two 2-digit numbers. They discuss short-cuts that might be used to make the problem easier. they apply the same principle for adding larger numbers, as well.
Curated OER
Place Value to 10,000
In this ten thousands place worksheet, learners review the table that shows the diameters of the largest moons in the solar system and the planet it orbits. Students use the table to help them understand numbers with a place value of...
Illustrative Mathematics
Illustrative Mathematics: Counting by Tens
The objective of this lesson is to gain automaticity counting to 100 and to establish the importance of multiples of ten. This activity can be done several times a day as it is quick and requires no materials.
AAA Math
Aaa Math: Counting 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.
ICT Games
Ict Games: Fairground Target Game: Counting by Tens
Count the duck targets by tens and click on the one in line that is the same as the number listed on the target at the bottom of the screen.
E-learning for Kids
E Learning for Kids: Math: Inca Temple: Number: Count to 100
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.
E-learning for Kids
E Learning for Kids: Math: Fisher Boat: Number: Count to 1000 and Money
On this interactive website students practice various math skills using a real life scenario on a fishing boat. Those skills include counting forwards by tens, reading three-digit numbers, and producing a three-digit number using base...
Math Is Fun
Math Is Fun: Skip Counting
A definition of skip counting followed by interactive examples and links to exercises that will help your skip-counting skills. Learn to skip count by 2, by 3, by 4, by 5, and by 10, and challenge yourself with backwards skip counting.
Khan Academy
Khan Academy: Count Tens
Practice counting by tens. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Quia
Quia: Spanish Numbers by Ten
If you can count by tens in Spanish, then you'll enjoy this interactive number game. Put the Spanish numbers in the correct order to win the game, then check your answers.
E-learning for Kids
E Learning for Kids: Math: Llama Farm: Addition and Subtraction: Counting Forwards and Backwards
On this interactive site students learn to write 2-digit numbers, count forward and backward by tens and show subtraction facts.
Better Lesson
Better Lesson: Tubing Tens Cool Off With an Imaginary River Adventure
If you know how to count by tens, you can solve multiplication problems in which ten is a factor.
Texas Instruments
Texas Instruments: Food for Thought
In this activity, students learn to count in tens up to 100. They also learn to build 2-digit numbers.
Rice University
Rice University: Let's Count!
Let's Count is a website that offers opportunities to count lots of different sets of things. You can also view the same website in Spanish.
ABCya
Ab Cya: Number Bubble Skip Counting
Number Bubble: Skip Counting is an educational game for kids to practice counting by multiples. Children can count by twos, threes, fours, fives, sixes, sevens, eights, nines, or tens to 100. Utilize this game with one of our interactive...
E-learning for Kids
E Learning for Kids: Math: Igloo: Multiplication
On this interactive website students practice various math skills using a real life scenario at an igloo. Those skills include counting by ones, fives and tens up to fifty.
Khan Academy
Khan Academy: Add 2 Digit Numbers by Making Tens 2
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!
TES Global
Tes: Tens and Units Visualizing
[Free Registration/Login Required] Explore base ten by bundling ten crayons at a time and then counting groups of ten without counting each individual crayon.
CK-12 Foundation
Ck 12: Elem Math: Subtracting Using Tens and Ones
[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...
NumberNut
Number Nut: Numbers and Counting: Counting to 50
Did you know that counting and all numbers are based on tens and that everything starts over when you hit a number with a "0" in the ones column? This lesson provides strategies and pattterns for counting to fifty and includes two...
PBS
Pbs Learning Media: Fresh Pick Challenge: Lunch Counter
Help children create a simple lunch counter where they can learn about dollars and cents and sharpen their business skills at the same time. This activity will help them learn coin values, count by fives and tens, and practice simple...