Adding and Subtracting

In this ABCMouse.com video students will get to see a fun video that includes 3 digit subtraction without the regrouping.  They show the grid metho

Save the planet by destroying the aliens quickly.  Students need to solve addition problems in order to fire the weapon.

This is a random three-digit subtraction generator that is Smartboard friendly, with big buttons.

3rd-grade students practice telling time using this worksheet.  There are 9 clocks where students have to either draw the clock face or write down

This worksheet allows students to sort addition solutions into odd or even categories.

Sort the odd or even solutions link

This website gives a great example of using the commutative and associative properties of addition using Skittles.  There is a video available that

My district has been using reflex math for about 4 years now and the teachers all concur that it is one of the best programs out there that help bu

In this game, students can compete against each other online to see who can get their jet ski to the end, the quickest by answering addition questi

Students learn how to set up two-digit addition and carry over in this video.

This math video has Kermit the Frog teaching kids how to subtract with a little humor.

This is a simple number line make that allows teachers to generate custom number lines  Below are some examples of number lines that can be created

3rd-grade students practice telling time using this worksheet.  There are 9 clocks where students have to either draw the clock face or write down

This game will improve a students subtraction fluency skills as they have to quickly answer subtraction questions in order to destroy the invasion.

Students use solutions to subtraction problems in order to speed their duck around the track.

This is a multi-player tug of war addition game.

Play a multiplayer game where cats have to pick two numbers that equal the target number.  This is a timed game that can either be played with othe

In this lab, students will take piles of sand and determine what the sand's angle of repose is.

Students will first roll a number cube. This number will then let students know how many of the 10 animals need to be eliminated/subtracted.

This is a fun song to help review or introduce basic addition and also math vocabulary to younger students.

Image anchor chart meant to demonstrate how to borrow when subtracting 2 to 3 digit numbers.

In this money word problems worksheet, students will add and subtract dollar amounts to find out how much they would spend altogether, how much cha

Students will practice rounding numbers to the nearest 10.  Two number lines are included for reference as well as two elapsed time problems for st

Looking for a fun and engaging way to help your students review adding 1s, 10s, and hundreds? Look no further than Additionasaurus!

This tool is great for teaching young children how to count, add, subtract, and multiply using images on a grid that can go to 144 squares.  There