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Operation, GCD,LCM Bilingual Class

1. Calculate :

a. 12 x 8 + 24 =

b. 48 : 6 + 2 =

c. 625 : 25 + 96 : 8 =

d. 63 : 7 x 18 : 3 x 5 =

e. ( 17 x 9 - 33 ) : ( 76 - 51 ) x 5 =

f. { 4 x ( 21 + 4 ) - 225 : ( 76 - 51 ) } x 5 =

g.{ 282 : ( 12 x 9 - 61 ) } + { 7 x ( 18 - 9 ) - 33 }

h. 250 : { 29 - [ 160 : ( 7 x 12 - 44 ) ] } =

i. { 182 : ( 63 - 56 ) + 38 } : ( 89 - 13 ) =

j. 9 x ( 7500 - 500 ) : 3 + 250 =

2. Calculate by using, the associative, commutative, or distributive law.

a. 123 + 5250 + 1377 =

b. 25 x 147 x 4 =

c. ( 43 x 14 ) + ( 43 x 21 ) - ( 43 x 25 ) =

d.

3. Find the value of these operation of intergers if given a = 3, b = -2, c = 4, d = 0

a. a + b + c - d

b. a + b - c

c. ( 3ab ) + 45abcd - bc

d. 4ac - ( -3ab + 2cd ) - ( -2c)

4. If a = -5, b = 7, c = -4, d = 5, find :

a. a - b - c - d =

b. 2a - 3b + 4c - 5a =

c. 3ab - 2bc + 3cd - 10ad =

5. If “” means multiply the first number to the sum of the first number and the second number, that find,

the value of :

a. 3

b. 4 ( 2 6 )

c. ( 2 6 ) + 45

d. ( 2 7 ) - ( 3 2 ) + ( 5 2 )

6. If means “Substrac eight times of the second number to the quadratic of the first number”

Given that : a # b = 5 ( a + b ) - b

Calculate : - 34

7. Find the GCF and LCM of :

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a. 2 x y z dan 6 x y z

b. 12 x y z dan 18 x y z

c. 72 x yz dan 84 xy z

8. Mary, Alice and Ray take the math course at the same time place regularly.

Mary takes the math course every 2 days.

Alice takes the math course every 3 days.

Ray takes the amth course every 5 days.

If they met together at the first time on September 13 2010 (Monday) then whwn will they meet

together at the third times?

9. Mrs. Thresno wants to distribute 34 pins, 68 pens and 136 pieces of papers to some students at 7A class.

Determine :

a. The masimum numbers of students can receive that distribution ?

b. How many thigs of each will the students receive ?

10. Andy swims every 4 days.

Benny swims every 5 days.

Cindy swims every 8 days.

If they swim together for the first time at Thursday 25 August 2015. When will they swim together again

for the third times ?

11. 3 children goes to the same private school

Rossi goes there once every 4 days.

Marquez goes there once every 3 days.

Cassey goes there once every 6 days.

If they go together at 27 November 2007, Tuesday, when will they go together again ?

12. At her birtday party, Mary has 72 chocolate cakes, 48 cheese cake 96 strawberry cake

a. How many people is able to be invented ?

b. How many cakes is given to each person ?