Helping+Children+Master+the+Basic+Facts

= Online Resources = = = **ArithmAttack** A very straightforward fact drill program that can be used online or downloaded free of charge (Department of Energy's Argonne National Laboratory). **Arithmetic Four (Shodor)** The game is like “Connect Four.” Players must answer an arithmetic fact to be able to enter a piece of their color on the board. Operations can be selected and timer set for answering each fact. **Cross the Swamp (BBC)** This British applet asks students to supply a missing operation and a number to complete an equation. There are five questions in a set, each with three levels of difficulty. **Diffy (NLVM)** Diffy is a classic mathematics puzzle that involves finding the differences of given numbers. **Let’s Learn Those Facts (NCTM, Grades 1–2)** These six lessons, including links to resources and student recording sheets, target addition facts. **Math Forum** This is a part of the Math Forum website that lists interesting questions and answers on many number operations as well as online flash cards. **Multiplication: It’s in the Cards (NCTM, Grades 3–5)** These four lessons, including links to resources and student recording sheets, use the properties of multiplication to help students master the multiplication facts. See also “Six and Seven as Factors” (NCTM’s Illuminations—Lessons, Grades 3–5), (two lessons on products where 6 or 7 is a factor). **Number Invaders** This game is like “Space Invaders.” Players choose an operation and a factor, and use the space bar and arrow keys to launch the “number (product) popper.” **Number Puzzles (NLVM)** In this applet, students are required to arrange numbers in positions in a diagram so that all numbers in a line add up to a given value. **The Product Game (NCTM, Grades 3-8)** Students start with factors and multiply to find the product. This game works well with the Factor Game because they help students to see the relationship between products and factors. **Six and Seven as Factors (NCTM, Grades 3-5)** Students who have previously studied the meanings of **multiplication** will use its properties to help them master the products where 6 or 7 is a factor. **The Product Game (NCTM, Grades 3–8)** These four lessons use the engaging and effective games “Factor Game” and “Product Game” to help students see the relationship between products and factors. **SpeedMath Deluxe (Jefferson Lab)** Players are given four numbers between which they must enter one of the four operation signs so that the resulting expression equals a given number. Requires an understanding of order of operations and occasionally integers.

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