This zipped file is a NUMBER and OPERATIONS POWERPOINT SLIDE
SHOW for grades 3-4. The 81 slides are a combination of teaching
(lecture style) and interactive slides (matching exercises,
unscramble the vocabulary, fill in the missing numbers, etc.)
The vocabulary and concepts included are: digits, numbers,
value, place value, least/greatest, number forms, operations,
array, multiples, inverse operations, fact families, estimate,
rounding, compute, squared number, properties, fractions, mixed
numbers, and decimals. Also included is a Directions page for
using PowerPoint and for using the (wonderful) Pen Option of
PowerPoint. The preview file is pages 1-10 of the Slide Show so
that you can "Try before you Buy".