6th Grade Math Textbook, Fundamentals

(Marvins-Underground-K-12) #1
Lesson 1-10 for exercise sets. Chapter 1 21

Practice & Activities

Simplify.
1.3(16)  60  12 2. 3. 4.

5.Discuss and Write Why is it important to have rules for simplifying
an expression that contains more than one operation?

( 20  10 )( 26  5 )
6

( 2  4 )^3
23  43

( 16  4 )5 • 8
23

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Evaluate the dividend.

Compute within parentheses.

Simplify the exponent.

Multiply.

This is the value of the dividend.

Multiply to evaluate the divisor.

This is the value of the divisor.

(^2884)  72
288
4
288
4(1)
288
4(1)
9 ( 32 )
4(1)
32 ( 32 )
4(1)
32 ( 34  2 )
4(1)
32 ( 34  2 )
4(1)
32 ( 34  2 )
4(1)
Divide the dividend by the
divisor to find the value of
the expression.
1
Evaluate the dividend.
Simplify the exponent.
Multiply.
Divide.
This is the value of the divisor.
 2
Compute within
parentheses.
 16
 8
 16
 8
 16
4 (2) (6)
 16
4 (2) (6)
 48  3
4 (2) (6)
 8 ( 6 ) 3
4 (2) (6)
 23 ( 6 ) 3
4 (2) (6)
 23 ( 30  24 ) 3
4 (2) (6)
 23 ( 30  24 ) 3
4 (2) (6)
 23 ( 30  24 ) 3
4 (2) (6)
To evaluate the divisor,
divide and then add.
This is the value of
the dividend.
Divide the dividend by
the divisor.
2
The caret key, , is used
to enter exponents.


You can use a calculator to check your work. Check the answer

from Example 1 above. You will need to enclose the divisor
within parentheses.

Check: 72

Press 3 2 34 2 4 1

32 ( 34  2 )
 4 ( 1 )

72

?


A fraction bar is also a grouping symbol that indicates division.

Simplify the expression in the dividend and the divisor before dividing.

Find the value of each expression.

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