Polygon calculation * * *13, 15, 16, 19 pages.

Know decimals * * * 28, 29, 30, 36, 39 and 40 pages.

Decimal addition and subtraction * * * Pages 47, 48, 52 and 53

Found rule * * * 5961page.

Strategies for solving problems * * * Pages 63 and 64

Fractional multiplication and division (1) * * * 68, 69, 70, 72, 74 pages

Hectares and square kilometers * * * 81,82 pages

Fractional multiplication and division (2) * * * * 86, 88, 90, 93, 95, 98, 99,10/page

Statistics * * * * 105, 1 10