hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, _] → [34, _, 18] → [_, _, 11, _] → [_, 10, _, 4, 3]

Show answer

Answer: Row4[2]=17, Row1[1]=108, Row5[3]=7, Row5[1]=7, Row4[4]=7, Row3[2]=28, Row2[2]=46, Row4[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [62,46]
  • [34,28,18]
  • [17,17,11,7]
  • [7,10,7,4,3]
Base
  • 7
  • 10
  • 7
  • 4
  • 3
TopValue
108
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":0,"c":0,"v":108}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":1,"v":28}
  • {"r":1,"c":1,"v":46}
  • {"r":3,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 34] → [30, _, 11] → [14, 16, _, 4] → [_, 10, _, _, _]

Show answer

Answer: Row5[1]=4, Row5[5]=3, Row1[1]=87, Row4[3]=7, Row5[4]=1, Row2[1]=53, Row5[3]=6, Row3[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [53,34]
  • [30,23,11]
  • [14,16,7,4]
  • [4,10,6,1,3]
Base
  • 4
  • 10
  • 6
  • 1
  • 3
TopValue
87
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":87}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":0,"v":53}
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [64, 64] → [31, _, _] → [_, _, 15, _] → [3, 10, _, _, 9]

Show answer

Answer: Row4[1]=13, Row4[2]=18, Row3[3]=31, Row1[1]=128, Row5[4]=7, Row4[4]=16, Row3[2]=33, Row5[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [128]
  • [64,64]
  • [31,33,31]
  • [13,18,15,16]
  • [3,10,8,7,9]
Base
  • 3
  • 10
  • 8
  • 7
  • 9
TopValue
128
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":1,"v":18}
  • {"r":2,"c":2,"v":31}
  • {"r":0,"c":0,"v":128}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":1,"v":33}
  • {"r":4,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [75, _] → [39, _, _] → [19, _, _, 13] → [9, _, _, 6, 7]

Show answer

Answer: Row2[2]=65, Row3[3]=29, Row1[1]=140, Row3[2]=36, Row4[3]=16, Row4[2]=20, Row5[3]=10, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [140]
  • [75,65]
  • [39,36,29]
  • [19,20,16,13]
  • [9,10,10,6,7]
Base
  • 9
  • 10
  • 10
  • 6
  • 7
TopValue
140
HiddenCells
  • {"r":1,"c":1,"v":65}
  • {"r":2,"c":2,"v":29}
  • {"r":0,"c":0,"v":140}
  • {"r":2,"c":1,"v":36}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":1,"v":20}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":10}