Homework Journal

Date: 01/12/2012

TBD

Date: 01/19/2012

#14 (p. 23)

#15 (p. 10)

Date: 01/26/2012

#45 and #46 (p. 35)

#37 (p. 34) – after prime-factorizing, sort the factors in the ascending order

#33 (p. 34)

#47 (p. 35)

Date: 02/02/2012

#58 (p. 36), #38 (p. 34)

#48 and #49 (p. 35)

#39 (p. 34), #50 (p. 35)

Date: 03/09/2012

1. Find out by how many percent the first number was increase or decreased to get the second.

(a) $796 \rightarrow 995$
(b) $275 \rightarrow 429$
(c) $225 \rightarrow 279$
(d) $618 \rightarrow 927$
(e) $500 \rightarrow 230$
(f) $700 \rightarrow 175$
(g) $150 \rightarrow 222$
(h) $700 \rightarrow 28$
(i) $75 \rightarrow 3$
(j) $225 \rightarrow 117$

2. Find the Greatest Common Factor and Least Common Multiple of the two numbers.

(a) $42$ and $56$
(b) $100$ and $75$
(c) $48$ and $80$
(d) $54$ and $72$
(e) $98$ and $56$
(f) $36$ and $60$
(g) $30$ and $75$
(h) $28$ and $98$
(i) $56$ and $70$
(j) $66$ and $88$