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Monday, August 25, 2014

Raeleen Week 6 Maths Presentation

Task 1:
a. 3 x 134 = 402
3 x 4 = 12
3 x 30 = 90
3 x 100 = 300
300 + 90 + 12 = 402

b. 4 x 233 = 932
4 x 3 = 12
4 x 30 = 120
4 x 200 = 800
800 + 120 + 12 = 932

c. 6 x 518 = 3108
6 x 8 = 48
6 x 10 = 60
6 x 500 = 3000
3000 + 60 + 48 = 3108

d. 4 x 204 = 816
4 x 4 = 16
4 x 0 = 0
4 x 200 = 800
800 + 0 + 16 = 816

e. 6 x 142 = 852
6 x 2 = 12
6 x 40 = 240
6 x 100 = 600
600 + 240 + 12 = 852

f. 9 x 223 = 2007
9 x 3 = 27
9 x 20 = 180
9 x 200 = 180
180 + 180 + 27 = 2007

g. 3 x 257 = 771
3 x 7 = 21
3 x 50 = 150
3 x 200 = 600
600 + 150 + 21 = 771

h. 7 x 124 = 686
7 x 4 = 28
7 x 20 = 140
7 x 100 = 700
700 + 140 + 28 = 686

i. 4 x 258 = 1032
4 x 8 = 32
4 x 50 = 200
4 x 200 = 800
800 + 200 + 32 = 1032

Task 2:
a. 4 x 132 = 528
b. 6 x 219 = 1304
c. 8 x 146 = 1168
d. 7 x 512 = 3584
e. 8 x 225 = 1800
f. 6 x 205 = 1230
g. 7 x 442 = 3094
h. 9 x 118 = 1062
i. 8 x 235 = 1880

Word Problems:
a. An orchard has 6 containers with 145 apples in each container. How many apples do they have in total?
6 x 145 = 870
6 x 5 = 30
6 x 40 = 240
6 x 100 = 600
600 + 240 + 30 = 870

b. A tie company makes 214 ties everyday of the week (Monday to Friday). How many ties do they make in total?
5 x 214 = 1070
5 x 4 = 20
5 x 10 = 50
5 x 200 = 1000
1000 + 50 + 20 = 1070

c. A mail centre received 354 parcels on Saturday and another 354 parcels on Sunday. How many parcels of mail did they received over the weekend?
2 x 354 = 708
2 x 4 = 8
2 x 50 = 100
2 x 300 = 600
600 + 100 + 8 = 708

d. 5 planes have just landed at the airport. Every plane carries 325 passengers. How many passengers have just landed at the airport?
5 x 325 = 1625
5 x 5 = 25
5 x 20 = 100
5 x 300 = 1500
1500 + 100 + 25 = 1625

e. A toy maker has just sent out 8 boxes with 215 toy rockets in each box. How many toy rockets have they sent out in total?
8 x 215 = 1720
8 x 5 = 40
8 x 10  80
8 x 200 = 1600
1600 + 80 + 40 = 1720

f. A large department store has 4 boxes of socks. There are 121 pairs of socks do they have to sell?
4 x 121 = 484
4 x 1 = 4
4 x 20 = 80
4 x 100 = 400
400 + 80 + 4 = 484

g. A bank robber has filled 6 bags with money. He put 254 coins in every bag. How much coins has he stolen in total?
6 x 254 = 1253
6 x 4 = 24
6 x 50 = 30
6 x 200 = 1200
1200 + 30 + 23 = 1253

h. A warehouse has 8 boxes of pencils and there are 480 pencils in every box. How many pencils so they have in total?
8 x 480 = 3840
8 x 0 = 0
8 x 80 = 640
8 x 400 = 3200
3200 + 640 + 0 = 3840

i. A soup company has 5 boxes of cans. There are 158 cans in each box. How many cans do they have in total?.
5 x 158 = 790
5 x 8 = 40
5 x 50 = 250
5 x 100 = 500

500 + 250 + 40 = 790

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