hard Set 16 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 21] → [_, _, _] → [10, 3, 4, _] → [9, _, _, _, 8]

Show answer

Answer: Row3[3]=14, Row5[2]=1, Row3[1]=13, Row4[4]=10, Row1[1]=41, Row5[3]=2, Row3[2]=7, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [41]
  • [20,21]
  • [13,7,14]
  • [10,3,4,10]
  • [9,1,2,2,8]
Base
  • 9
  • 1
  • 2
  • 2
  • 8
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":3,"v":10}
  • {"r":0,"c":0,"v":41}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":1,"v":7}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 32] → [_, _, 16] → [5, 8, _, 8] → [_, 2, 6, _, _]

Show answer

Answer: Row5[5]=6, Row5[4]=2, Row4[3]=8, Row3[1]=13, Row5[1]=3, Row2[1]=29, Row3[2]=16, Row1[1]=61

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [29,32]
  • [13,16,16]
  • [5,8,8,8]
  • [3,2,6,2,6]
Base
  • 3
  • 2
  • 6
  • 2
  • 6
TopValue
61
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":0,"v":3}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":1,"v":16}
  • {"r":0,"c":0,"v":61}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 61] → [_, 30, 31] → [10, _, 16, _] → [_, _, 6, 10, _]

Show answer

Answer: Row3[1]=24, Row4[2]=14, Row2[1]=54, Row1[1]=115, Row5[1]=2, Row5[2]=8, Row5[5]=5, Row4[4]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [54,61]
  • [24,30,31]
  • [10,14,16,15]
  • [2,8,6,10,5]
Base
  • 2
  • 8
  • 6
  • 10
  • 5
TopValue
115
HiddenCells
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":0,"v":54}
  • {"r":0,"c":0,"v":115}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [41, _] → [_, 22, 28] → [_, 9, 13, _] → [_, _, _, 7, _]

Show answer

Answer: Row5[5]=8, Row2[2]=50, Row4[1]=10, Row3[1]=19, Row5[1]=7, Row5[2]=3, Row4[4]=15, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [41,50]
  • [19,22,28]
  • [10,9,13,15]
  • [7,3,6,7,8]
Base
  • 7
  • 3
  • 6
  • 7
  • 8
TopValue
91
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":2,"v":6}