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7th Grade Math

Review for the Kansas State Math Assessments for 7th Grade
by

Holly VanSkike

on 18 March 2011

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Transcript of 7th Grade Math

7th Grade Math!! Geometry Number Sense Data Algebra Fractions Decimals Equivalent Representations % of a Number Special Patterns Sequences nth Term add subtract multiply divide 1. Line up the decimal points!!
2. Add straight down 5.567
+0.125
5.692 5.567
+0.125 5.567 + 0.125 _______ _______ 3622.0
+ 4.52 _______ _______ 51.150
- 0.055
51.095 51.15 - 0.055 _______ 51.15
- 0.055 3622+4.52 3622.0
+ 4.52
3626.52 _______ 255.62
- 73.221 _______ 255.62 - 73.221 1. Line up the decimal points!!
2. Fill in zeroes where necessary.
3. Subtract!! \ \ \ 0 4 10 14 \ 255.620
- 73.221
182.399 _______ \ 5 1 10 \ \ 11 \ \ \ 1 15 11.16 x 8.23 11.16
x 8.23 _______ _______
3348
2232
8928
------------
91.8468 11.16
x 8.23 575.4 / 6.33 6.33 | 575.4 ____ 633 | 57540.0 ________ 90.9 -5697 _____ 570 - 0 5700 ____ -5697 _____ 3 approximation Keep up the
good work!! divide multiply subtract add 1. Find a common denominator.
2. Add!
3. Simplify numerator
denominator ________ 1 + 6 3 1
5 8 _ _ Common
Denominator = 5 x 8 = 40 1 3 8
5 8 _ _ _ _ 1 5
8 5 +6 _______________________ 1 +6 __ 24
40 5
40 __ _______________________ 29
40 7 __ 1. Find a common denominator
2. Borrow if necessary
3. Subtract
4. Simplify! 2
5 3
- 1 _ 7
10 _ __________ __________ _ _ 3
- 1 7
10 4
10 Common Denominator
of 5 and 10 => 10 2 x 2 = 4
5 x 2 = 10 _ _ __ BORROW!!
3 = 2 = 2 4 10 4 14
10 10 10 10 - - - - 2
- 1
1 14
10 7
10 7
10 __________ - - - 1. Make the fractions into improper fractions.
2. Line up the fractions side by side.
3. Multiply straight across!!
4. Simplify. 4 x 2 1 2
3 5 - - Improper Fractions 4 =

2 = 1 13
3 3


2 12
5 5 _ __



_ __ 13 12
3 5 __ __ x = 13 x 12
3 x 5 ______ ___ = 156
15 SIMPLIFY! 10 = 10 6 2
15 5 _ _ COPY DOT FLIP 1. Change fractions into improper fractions if necessary.
2. COPY, DOT, FLIP!!
3. Multiply Straight Across
4. Simplify! 2 3 _ 1
4 5 . . _ _ 11 _ 1
4 5 . . _ _ 11
4 . 5
1 _ _ 11 5 55
4 1 4 _ _ _ = SIMPLIFY!! 55 3
4 4 __ _ = 13
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