hard Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [97] → [_, _] → [_, 25, 29] → [9, _, _, _] → [7, 2, _, 9, _]

Show answer

Answer: Row3[1]=18, Row4[2]=9, Row4[3]=16, Row4[4]=13, Row2[2]=54, Row2[1]=43, Row5[3]=7, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [97]
  • [43,54]
  • [18,25,29]
  • [9,9,16,13]
  • [7,2,7,9,4]
Base
  • 7
  • 2
  • 7
  • 9
  • 4
TopValue
97
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":16}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":1,"v":54}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [54] → [27, _] → [14, _, _] → [8, _, _, _] → [_, 3, 3, 4, _]

Show answer

Answer: Row3[3]=14, Row3[2]=13, Row5[1]=5, Row2[2]=27, Row4[2]=6, Row4[3]=7, Row5[5]=3, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [27,27]
  • [14,13,14]
  • [8,6,7,7]
  • [5,3,3,4,3]
Base
  • 5
  • 3
  • 3
  • 4
  • 3
TopValue
54
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":2,"c":1,"v":13}
  • {"r":4,"c":0,"v":5}
  • {"r":1,"c":1,"v":27}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [17, _, _] → [9, 8, 7, _] → [6, _, _, 2, 5]

Show answer

Answer: Row3[2]=15, Row2[2]=29, Row3[3]=14, Row4[4]=7, Row2[1]=32, Row1[1]=61, Row5[3]=5, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [61]
  • [32,29]
  • [17,15,14]
  • [9,8,7,7]
  • [6,3,5,2,5]
Base
  • 6
  • 3
  • 5
  • 2
  • 5
TopValue
61
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":1,"c":1,"v":29}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":32}
  • {"r":0,"c":0,"v":61}
  • {"r":4,"c":2,"v":5}
  • {"r":4,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 18, _] → [_, 9, 9, _] → [7, 7, _, _, 2]

Show answer

Answer: Row5[3]=2, Row5[4]=7, Row4[1]=14, Row3[3]=18, Row1[1]=77, Row4[4]=9, Row2[1]=41, Row2[2]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [41,36]
  • [23,18,18]
  • [14,9,9,9]
  • [7,7,2,7,2]
Base
  • 7
  • 7
  • 2
  • 7
  • 2
TopValue
77
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":2,"v":18}
  • {"r":0,"c":0,"v":77}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":0,"v":41}
  • {"r":1,"c":1,"v":36}