hard Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [42, 47] → [_, _, 22] → [_, _, _, 8] → [_, 4, _, 7, _]

Show answer

Answer: Row4[1]=6, Row5[5]=1, Row4[3]=14, Row3[1]=17, Row3[2]=25, Row4[2]=11, Row5[3]=7, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [42,47]
  • [17,25,22]
  • [6,11,14,8]
  • [2,4,7,7,1]
Base
  • 2
  • 4
  • 7
  • 7
  • 1
TopValue
89
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [23, _] → [_, _, 17] → [11, _, _, 11] → [_, _, 2, 4, _]

Show answer

Answer: Row3[2]=9, Row5[1]=10, Row2[2]=26, Row4[2]=3, Row3[1]=14, Row4[3]=6, Row5[2]=1, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [23,26]
  • [14,9,17]
  • [11,3,6,11]
  • [10,1,2,4,7]
Base
  • 10
  • 1
  • 2
  • 4
  • 7
TopValue
49
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":4,"c":0,"v":10}
  • {"r":1,"c":1,"v":26}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, 29] → [_, _, _] → [_, 11, _, _] → [_, 10, 1, 3, 7]

Show answer

Answer: Row4[4]=10, Row1[1]=70, Row4[1]=15, Row3[1]=26, Row3[3]=14, Row3[2]=15, Row5[1]=5, Row4[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [41,29]
  • [26,15,14]
  • [15,11,4,10]
  • [5,10,1,3,7]
Base
  • 5
  • 10
  • 1
  • 3
  • 7
TopValue
70
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":70}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, 47] → [_, 21, 26] → [9, 11, 10, _] → [_, _, _, _, _]

Show answer

Answer: Row4[4]=16, Row5[1]=1, Row5[4]=7, Row5[3]=3, Row2[1]=41, Row5[2]=8, Row3[1]=20, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [41,47]
  • [20,21,26]
  • [9,11,10,16]
  • [1,8,3,7,9]
Base
  • 1
  • 8
  • 3
  • 7
  • 9
TopValue
88
HiddenCells
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":4,"v":9}