![]() ![]() Introduced in Third Grade Everyday Mathematics, this algorithm relies almost entirely on the recall of basic multiplication facts. Teaching Aid Master Lattice Multiplication Computation Grids Tell students that in this lesson they will review the lattice method for multiplication. The missing digits in the second lattice form the product of and (). Thus, the missing digits in the first lattice form the product of and (). The pair of digits in each cell names the product of two digits outside the lattice one above the cell of the lattice and the other to the right of the cell of the lattice. Teaching the Lesson Math Message Follow-Up WHOLE-CLASS DISCUSSION Students share answers. Challenge students to find a way to solve mentally. Students indicate thumbs-up if they agree with the solution. Math Message What do you think the missing digits are Study Link Follow-Up Ask volunteers to write solutions on the board. They transfer appropriate triangles to the OK pile and color the OK facts in the table on journal page, fasten their new piles with paper clips, and store them. LessonĢ Getting Started Mental Math and Reflexes Students use their Multiplication/Division Fact Triangles to practice the facts in the Try Again pile. ) Multiplication/Division Facts Table scissors chart paper colored pencils and markers Technology Assessment Management System Math Masters, page See the itlg. ELL SUPPORT Students make posters to display multiplication algorithms. ENRICHMENT Students investigate Napier s Rods, a seventeenth-century multiplication method. ) per partnership: each of number cards (from the Everything Math Deck, if available) materials READINESS Students explore patterns in the Fact Lattice. Ongoing Assessment: Recognizing Student Achievement Use Math Masters, page. Students practice and maintain skills through Math Boxes and Study Link activities. optional) º, / Fact Triangles index cards (optional) dictionary (optional) Ongoing Learning & Practice materials Students play Multiplication Top-It to practice basic multiplication facts. Study Link Teaching Aid Master (Math Masters, p. Key Vocabulary lattice lattice method (for multiplication) Math Journal, p. Use the lattice method to solve multiplication problems with - and -digit multipliers. ![]() Key Concepts and Skills Add single-digit numbers. They practice using this multiplication algorithm. Teaching the Lesson materials Key Activities Students review the lattice method for multiplication with - and -digit multipliers. Click it and be taken to the page to leave a rating and short comment.1 Objectives To review and provide practice with the lattice method for multiplication. Next to each listed purchase will be a Provide Feedback button. :) To leave feedback, just go to your My Purchases page (you might need to login). Leaving feedback also earns you "credits" which can be used for discounts on future purchases. To follow me, click on the little "Follow Me" button by the green star right below my Rick's Resources store name that you can find on any of my pages. I am the proprietor of Rick's Resources and All Things Bingo stores. I am the author of juvenile fiction and many educational products to help students learn and grow. I worked in the public school system for 28 years and was involved in teaching, tutoring, curriculum development, administration, school program design and implementation. My name is Rick Whitehead and I am a teacher, author, tutor, and mentor. The Lattice Multiplication Puzzles pack is great for practice and motivation. The worksheets can be printed in color or grayscale with good results. Great for students in 4th grade, 5th grade, 6th grade, 7th grade, although younger or older students can benefit depending upon their skill levels.Īlong with the 17 minute video, a guide can be downloaded and printed which includes practice worksheets and answer keys. Even students who are skilled with multiplication benefit from learning this method. It provides a different way to think about multiplication and builds a solid conceptual understanding and helps students become proficient. Lattice multiplication is an alternate technique that many students find easier and more enjoyable than other ways. Students often have difficulty learning the traditional method for multiplying larger numbers. Provides detailed background, tips, and teaching animations for effective lattice multiplication instruction. Useful instructional video on teaching lattice multiplication in school or homeschool settings. ![]()
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