hard Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, _] → [15, 18, 18] → [_, 7, _, _] → [7, _, _, _, 2]

Show answer

Answer: Row5[2]=1, Row2[2]=36, Row5[3]=6, Row5[4]=5, Row4[1]=8, Row4[4]=7, Row4[3]=11, Row1[1]=69

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [33,36]
  • [15,18,18]
  • [8,7,11,7]
  • [7,1,6,5,2]
Base
  • 7
  • 1
  • 6
  • 5
  • 2
TopValue
69
HiddenCells
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":1,"v":36}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":2,"v":11}
  • {"r":0,"c":0,"v":69}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 65] → [_, 36, _] → [16, _, _, 11] → [6, 10, 8, _, _]

Show answer

Answer: Row4[2]=18, Row3[1]=34, Row2[1]=70, Row1[1]=135, Row5[5]=1, Row5[4]=10, Row3[3]=29, Row4[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [135]
  • [70,65]
  • [34,36,29]
  • [16,18,18,11]
  • [6,10,8,10,1]
Base
  • 6
  • 10
  • 8
  • 10
  • 1
TopValue
135
HiddenCells
  • {"r":3,"c":1,"v":18}
  • {"r":2,"c":0,"v":34}
  • {"r":1,"c":0,"v":70}
  • {"r":0,"c":0,"v":135}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [40, _] → [_, _, 17] → [9, _, _, _] → [2, _, 4, _, 3]

Show answer

Answer: Row5[2]=7, Row4[3]=9, Row3[1]=20, Row5[4]=5, Row4[4]=8, Row4[2]=11, Row3[2]=20, Row2[2]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [40,37]
  • [20,20,17]
  • [9,11,9,8]
  • [2,7,4,5,3]
Base
  • 2
  • 7
  • 4
  • 5
  • 3
TopValue
77
HiddenCells
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":3,"v":5}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":20}
  • {"r":1,"c":1,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [_, 44] → [_, _, 25] → [_, 8, 11, 14] → [1, _, _, _, _]

Show answer

Answer: Row5[5]=10, Row2[1]=29, Row5[4]=4, Row5[3]=7, Row3[2]=19, Row3[1]=10, Row4[1]=2, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [29,44]
  • [10,19,25]
  • [2,8,11,14]
  • [1,1,7,4,10]
Base
  • 1
  • 1
  • 7
  • 4
  • 10
TopValue
73
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":29}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":19}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":2}
  • {"r":4,"c":1,"v":1}