Decimal Grid and Place Value: Tenths and Hundredths, Lining Up the Point, Percent of

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Opens on Chapter 12’s example: 0.7 against 0.65, 35% of 60, and 4.8 ÷ 10.

A decimal

Another

Area model for decimals

Multiply

Percent of

Percent %

The digits move

Number

Times or divided by

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Enter the numbers from the worksheet, then press Show me.

From the book, Chapter 12. 0.7 and 0.65: write 0.7 as 0.70, and 70 hundredths beats 65. 3.4 + 1.25 = 4.65; lining up the right-hand ends gives 1.59, which is less than 3.4 alone. 2.4 × 1.3 = 2 + 0.6 + 0.4 + 0.12 = 3.12. 35% of 60: 10% is 6, so 30% is 18, and 5% is 3: 21.

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