Page 448 - Math Smart - 7

Check My Understanding (Pg 194)
1. a) 1 b)1 0)2 d)l denominators are the same, we can just compare
the numerator. 18 is greater than 17, therefore, 2 4
2. a) 2 0)2 d)2 is greater.

e; 12 g)i^ 7. a) 3 b)33
12
3. a) 1 1 C)1| d)l| 8. a)^ b)47 47

1411 659 437 271
9.
6000' 3000' 2000' 1259
4. a)5| b)i^ c)10i 10.a) 4 of 24 b) ^ of 45 c) I of 40
f)3| CO h)H 11. c)| d)l

Check My Understanding (Pg 196)
12. a) $750 b) $437.50
13. a) False. ^ is more than one-half
13
1. 16h 2.
20 b)True
3.8^/ 4. 16l kg c) True
d) False. If you add 1 to the denominator, you make the
5. a) I b)i fraction smaller.
e) True
Try and Apply (Pg 196)
a) 2, 3, 4, 5, ll
Unit 9
b) 34, 212, 3, 134. 12
c) 112, 234, 314, 114, 134 Check My Understanding (Pg 207)
1. a) The rule is "multiply each term by 2 to get the next
Check My Understanding (Pg 198) term". Next two terms are 32 and 64.
1. a)5 b)7 c) 4 d)4 e)4 f)5 b) The rule is "add 5 to each term to get the next term".
2. a) 2 sweets b) 25 m c)$20 d)12m Next two terms are 30 and 35.
e) 15 min f) 30 s g) 1 mm h) 16 i) 16 kg c) The rule is "multiply each term by 5 to get the next
3. a) 15 pencils b) 18 eggs c) 30 bananas d) 10 sweets term". Next two terms are 3125 and 15625.
e) 36 apples f) $8 g) 7 plates h) 210 cents 2. a) The rule is "add 2 to each term to get the next term".
i) 6 days j) 75 cm k) 12 cm 1) 18 s Next two terms are 15 and 17.
4. 6 boys b) The rule is "add 3 to each term to get the next term".
5. 12 red balls Next two terms are 21 and 24.
6. 42 nuts c) The rule Is "add n to each term to get the next term
7. 3)3 b) $24 where n increments by 1 for each term". Next
8. 5 sweets two terms are 20 and 26.
d) The rule is "subtract 1 or 3 from each term to get the
Try and Apply (Pg 199)
next term. Subtract 3 if 1 was subtracted to a
1. 27 cm achieve the previous term. Subtract 1 if 3 was
2. 36 animals subtracted to achieve the previous term". Next two
terms are 91 and 88.
Revision (Pg 200)
e) The rule is "add 13 to each term to get the next
1. The shape that is colored is a triangle that does not
term". Next two terms are 82 and 95.
have the same height as the length of the rectangle The rule is "subtract 3 from each term to get the next
or the same base length as the width of the rectangle. f)
term". Next two terms are 85 and 82.
Therefore, John is not correct. (Accept any other g) The rule is "subtract 7 from each term to get the next
possible answers)
term". Next two terms are -13 and -20.
h) The rule is "subtract 4 from each term to get the next
1
b)4 term". Next two terms are -27 and -31.
3. a) 12 b) 72 i) The rule is "add 5 to each term to get the next term".
Next two terms are 27 and 32.
4. a)l b)| d) j) The rule is "subtract 2 from each term to get the next
13
term". Next two terms are -8 and -10.
18 k) The rule is "multiply each term by 3 to get the next
24
term". Next two terms are 2916 and 8748.
lA- 4, B- 0- 4,D- 4.E- 11 F- 4
4 G-i- I) The rule is "divide each term by 2 to get the next
20 f,K term". Next two terms are 20 and 10.
6- 3. a) 13, 15. 17 b)31, 36,41 c)11.0, 11.2, 11.4
b) 2 4 is greater. 2 4 in mixed fraction is ^-24 j d) 68. 60. 52 e)-4, -11,-18 f) 36, 49, 64
in
which
Since
188.
mixed fraction is | the 4. a)12, 3,-3 b)41, 59, 77 c)118, 82, 73
is
also
Answers