<ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of ...
<ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of ...
<ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of ...
<ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of ...
<ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of ...
<ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of ...
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Q9

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Q9

  1. 1. <ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of the table 1 with the centre square darkened. </li></ul>© mathsheuristics  Alice puts the frame on the 9 squares as shown in the figure. What is the average of the 8 numbers that can be seen in the frame? (a) Lynn puts the frame on some other 9 squares. The sum of the 8 squares that can be seen in the frame is 272. What is the largest number that can be seen in the frame? (b)
  2. 2. <ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of the table 1 with the centre square darkened. </li></ul>© mathsheuristics  Alice puts the frame on the 9 squares as shown in the figure. What is the average of the 8 numbers that can be seen in the frame? (a) (3+4+5+11+13+19+20+21) ÷ 8 = 12 1
  3. 3. <ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of the table 1 with the centre square darkened. </li></ul>© mathsheuristics  Alice puts the frame on the 9 squares as shown in the figure. What is the average of the 8 numbers that can be seen in the frame? (a) (3+4+5+11+13+19+20+21) ÷ 8 = 12 12 Ans 12 1
  4. 4. <ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of the table 1 with the centre square darkened. </li></ul>© mathsheuristics  12 272 ÷ 8 = 34 1 2 Lynn puts the frame on some other 9 squares. The sum of the 8 squares that can be seen in the frame is 272. What is the largest number that can be seen in the frame? (b)
  5. 5. <ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of the table 1 with the centre square darkened. </li></ul>© mathsheuristics  12 272 ÷ 8 = 34 1 2 Lynn puts the frame on some other 9 squares. The sum of the 8 squares that can be seen in the frame is 272. What is the largest number that can be seen in the frame? (b)
  6. 6. <ul><li>Table 1 consists of the number 1 to 56. Alice and Lynn are given a plastic frame that covers exactly 9 squares of the table 1 with the centre square darkened. </li></ul>© mathsheuristics  12 <ul><li>÷ 8 = 34 </li></ul><ul><li>Ans: 43 </li></ul>1 2 Lynn puts the frame on some other 9 squares. The sum of the 8 squares that can be seen in the frame is 272. What is the largest number that can be seen in the frame? (b)

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