is a generous donation from Dr David Moursund. Addition and subtraction are easy to visualize with forward and backward jumps, multiplication with multiple similar jumps and screen touch to combine multiple jumps. It has multiple options such as changing the size of the number line, with and without numbers. Number Line from the Math Learning Center, shows the connection between the number and the place on the number line, the size of a number. You can add printed and written numbers to show the calculation for larger numbers just add more bars. It has five red and five white beads, that slide on a metal bar in a very realistic fashion. Number Rack is the electronic version of the rekenrek (pronounced raikuhnreck), a manipulative from my native country the Netherlands. Can be a bit fast in the beginning when child is starting to learn the ten bonds. Make10Plus to learn the ’10 bonds’: similar to Find Sums, but with numbers instead of apples: all pairs that add up to ten by clicking on the other number that forms a pair with the presented number. Self correcting: numbers don’t stick if you make a mistake. KG – 1st gradeįind Sums from MathTappers will teach kids the ‘missing number’ to make the selected target number (all numbers from 5 – 20 and 100), by showing green and red apples in a ten frame or as numbers in a part – whole frame. Kids have fun dragging the ever growing ‘train’ in wavy curves all over the screen. KG – 5th grade.Ĭounting Beads from Visual Math Learning has colored beads with numbers that stick to each other when combined in the right order. Math Concentration by NCTM, this is an electronic version of the classic Memory game, with multiple levels starting at matching dots with numerals to matching fractions and percent, for one or two players.
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