hard Set 46 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [108] → [48, _] → [_, _, _] → [10, _, 18, _] → [9, _, _, 9, 5]

Show answer

Answer: Row5[2]=1, Row3[1]=20, Row4[4]=14, Row5[3]=9, Row3[2]=28, Row3[3]=32, Row4[2]=10, Row2[2]=60

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [48,60]
  • [20,28,32]
  • [10,10,18,14]
  • [9,1,9,9,5]
Base
  • 9
  • 1
  • 9
  • 9
  • 5
TopValue
108
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":1,"v":28}
  • {"r":2,"c":2,"v":32}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":60}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [21, 14, 11] → [_, _, _, _] → [4, _, 1, 4, 2]

Show answer

Answer: Row4[2]=9, Row4[3]=5, Row1[1]=60, Row5[2]=8, Row2[2]=25, Row2[1]=35, Row4[4]=6, Row4[1]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [35,25]
  • [21,14,11]
  • [12,9,5,6]
  • [4,8,1,4,2]
Base
  • 4
  • 8
  • 1
  • 4
  • 2
TopValue
60
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":60}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":1,"v":25}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [29, 17, _] → [16, 13, 4, 3] → [_, _, 3, _, _]

Show answer

Answer: Row3[3]=7, Row2[1]=46, Row1[1]=70, Row5[2]=10, Row5[5]=2, Row5[4]=1, Row2[2]=24, Row5[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [46,24]
  • [29,17,7]
  • [16,13,4,3]
  • [6,10,3,1,2]
Base
  • 6
  • 10
  • 3
  • 1
  • 2
TopValue
70
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":0,"v":46}
  • {"r":0,"c":0,"v":70}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":24}
  • {"r":4,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, 16] → [8, _, _, 5] → [2, 6, 9, 2, _]

Show answer

Answer: Row3[2]=26, Row3[1]=23, Row2[1]=49, Row4[2]=15, Row5[5]=3, Row1[1]=91, Row2[2]=42, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [49,42]
  • [23,26,16]
  • [8,15,11,5]
  • [2,6,9,2,3]
Base
  • 2
  • 6
  • 9
  • 2
  • 3
TopValue
91
HiddenCells
  • {"r":2,"c":1,"v":26}
  • {"r":2,"c":0,"v":23}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":91}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":2,"v":11}