Joyce Oyer

Designed to assist students to differentiate between the meanings of 'prime' and 'composite' numbers. Examples are given to illustrate. Print and/or copy for each student to keep as a resource sheet ("cheat sheet") in their math folder.

Designed to help students differentiate between the meaning of 'factor' and 'multiple' in a visual way. Examples are given to illustrate. May be printed and/or copied to provide students with a resource sheet ('cheat sheet') for their math folder.

Octopus Multiplication Game is a variation of dominoes, using an octagonal game board to match multiplication facts with their products. With 2 - 4 players, cards are matched, playing off any of the 8 "arms" of the game board.

SMARTBOARD presentation outlining the history and development of Napier's Bones, also known as Napier's Rods, which are used to help students understand the algorithm for multiplication. Students can manipulate the digital 'rods' given in the presentation. Using the directions given, students can also make their own rods for personal use to solve multi-digit multiplication problems. Connecting Napier's Bones with lattice multiplication is another way to transition students to doing the traditio

Power Point slides for instruction and review of THE PROPERTIES OF ADDITION AND MULTIPLICATION. The PDF of these presentation slides is also available in a separate listing.

PDF download to accompany my other listing of PROPERTIES OF ADDITION AND MULTIPLICATION presentation slides.

Quadominoes is a matching game designed to practice basic multiplication facts. Players must match one of the four parts of their card to the cards already played. Play until all cards are played for more practice for all players.