A straight edge, such as a ruler or the edge
of a piece of paper, can help you keep your
place as you read a table. Placing the ruler
be low the row you are reading helps focus
your eyes on the entry you need to read.
Estimating from the Table
The Table of Squares and Square Roots may
be used to estimate certain squares
and square roots. For example, you can
determine that 7.62 ≈ 58 and
Unless a rough estimate is sufficient, it is
generally better to use a calculator for such
Use the Table of Squares and Square Roots above for Questions 1–3.
The Now box on page 627 lists the key vocabulary introduced in Chapter 10. The
list at the beginning of each lesson may include prior key vocabulary with page
references. Also use
the Skills Review Handbook to review key vocabulary from prior courses. Use the
below to help you understand some of the key vocabulary used in Chapter 10. You
may want to copy
these diagrams into your notebook and refer to them as you complete the chapter.
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