You may have to use long multiplication to figure out how much tax will cost on an item, or the cost of gas for your car.Ĭontinue on to the Got It? section to work on a worksheet. (pages 108 -111) Math: (30 minutes) Khan Academy: Letters and symbols in multiplication and division equations (1 video. SUBTITLES AVAILABLEIf you are not using a calculator, lattice multiplication is a good method of multiplying two numbers together. The important thing is that you find a method that works best for you, because multiplication is used every day! It does not matter what method you use to solve multiplication problems. How do you use multiplication in your everyday life?.Now that you have learned lattice multiplication, think about why it is important to be able to solve multiplication problems. Lattice multiplication, also known as the Italian method, Chinese method, Chinese lattice, gelosia multiplication, sieve multiplication, shabakh, diagonally or Venetian squares, is a method of multiplication that uses a lattice to multiply two multi-digit numbers. Once again, this will help keep everything neat and will make it easier to add your columns. Use a highlighter or colored marker to draw your diagonal lines.You can print Graph Paper from Downloadable Resources in the right-hand sidebar. This will prevent you from having to draw your squares and will help you keep everything nice and neat. Lattice Multiplication by Khan Academy Topics Multiplication-Juvenile films, Multiplication-Study and teaching (Primary), Lattice theory-Study and teaching, MAT, MAT.UP Language English Learn a different method for multiplying numbers. Using lattice math to solve multiplication problems is kind of like solving a puzzle, and if you enjoy puzzles and problem-solving, you will love lattice multiplication!įor step-by-step instructions on how to find a product using lattice math, read through Coolmath4kids' page entitled Lattice Multiplication.įor a video of how to solve a multiplication problem using this method, watch Kahn Academy's video Lattice multiplication | Multiplication and division | Arithmetic - Khan Academy:Īlso, make sure to find out why this method will allow you to find the correct product by watching Kahn Academy's video Why lattice multiplication works | Multiplication and division | Arithmetic - Khan Academy:Ī few tips for finding a product using lattice multiplication: Long multiplication can be challenging, but it doesn't have to be!
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