Teach Your Children Tables by Bill Handley

Author:Bill Handley [Handley, Bill]
Language: eng
Format: epub
Tags: Education, Mathematics, Teaching Methods & Materials
ISBN: 9781742168869
Publisher: Wrightbooks
Published: 2012-01-10T00:00:00+00:00

We multiply the 4 in the circle by the 4 in the brackets.

4 × 4 = 16

We write 16 below the circled 4. Our work looks like this:

We now subtract 16 from 389 and get an answer of 373. We multiply the 373 by the base reference number, 100, to get an answer of 37300.

We now multiply 4 by the 11 in the circle for an answer of 44. We add 44 to 37 300 to get an answer of 37 344. The completed problem looks like this:

Let’s try 8 × 136.

We use 10 and 140 (10 × 14) as our reference numbers.

We multiply the 2 in the circle by the 14 in the brackets.

2 × 14 = 28

Write 28 below the circled 2. We subtract 28 from 136, (take 30 and add 2) to get 108. We multiply 108 by the base reference number, 10, to get 1080.

Our work looks like this so far:

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