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Tuesday 28 May 2019

Solving word problems

WALT: solve maths problems using the most efficient strategies that I know.SC:To be successful I must.
  •      Read the problem carefully

Sally wanted to save money to buy a new outfit. Sally Saved $24.60 in may.$28.50 in june  and $20.70 in july. However , she also had to spend $ 17.00 on school supplies an $44.10 on her dog.If the outfit costs $119.80 how much money does Sally still need to save.

$24.60
28.50
 + 20.70=
73.8 - 17 =
56.8 - 44.10 = 12.7
 119.80
  • 12.70 = 107.10/ Sally need to save 107.10.
John wants several different color plates for his birthday. John wants to get 96 black plates, 108 orange plates and some amount of yellow plates. In total, John wants 324 plates, so how many yellow plates should he get.
108 + 90 = 198
198 + 6=
204
324 - 204 =120/ John should get 120 plates.


For lunch, John bought a glass of juice for $1.60,a tuna sandwich for $5.00 as well as some sherbet for $2.90. The tax came out to 1.10 john paid with $16.00. How much change should John receive.
1.60
+ 5.00
  2.90= 9.50
9.50 - 1.10 = 8.4
8.40 - 16.00 = -7.6
For lacrosse season, mike decided to buy a ball for $9.00 new shorts for $25.80 as well as a pair of lacrosse shoes for $48.70. Mike currently has $29.60 and a coupon for $11.00 off his purchase. How much more money does mike need to complete his purchase.
9.00
         +25.80=34.8
           48.70
           29.60
          - 11.00= 8.1+34.8=
            42.90 Mike need to have $42.90 to complete his purchase.

Melanie has $12.00 in her bank account. Her sister has 4 $24.00 in her bank. Melanie withdrew her money and she wanted it all in 50 cent. How many 50 cent did melanie get  24 50 cents

Sam works seven day a week He works from 8 o’clock in the morning until 8 in the evening . How many hours does sam work for in one week.
12
x 7=
84
Sam works 84 hours in one week.

There were a total of twenty-one football games during the three month season, and eight are played a night. If the games are equally divided, how many football games are played a month.
21 ÷ 3=
7           
A restaurant sold forty- nine salads and fourteen pies last week. How many salads on average were sold each day?


49 ÷ 7=
7

Rounding big numbers

WALT:Round big numbers
                                             3 687 543.726
Round the number above to the


  1. Nearest hundredth
3,687,543.726=3,687,500.00
2)Nearest tenths
  3,687,543.726=3,687,543.7
3)Nearest whole number
 3,687,543.726=3,687,544
4)Nearest ten thousands

  3,687,543.726=3,68