hard Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [37, _] → [_, _, _] → [11, 8, _, _] → [10, _, _, 3, 6]

Show answer

Answer: Row2[2]=37, Row5[2]=1, Row3[2]=18, Row4[4]=9, Row5[3]=7, Row3[3]=19, Row3[1]=19, Row4[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [37,37]
  • [19,18,19]
  • [11,8,10,9]
  • [10,1,7,3,6]
Base
  • 10
  • 1
  • 7
  • 3
  • 6
TopValue
74
HiddenCells
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":2,"v":19}
  • {"r":2,"c":0,"v":19}
  • {"r":3,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [88] → [_, _] → [_, _, _] → [13, 15, 7, _] → [_, 9, _, 1, 8]

Show answer

Answer: Row2[1]=50, Row5[1]=4, Row5[3]=6, Row2[2]=38, Row3[3]=16, Row3[1]=28, Row4[4]=9, Row3[2]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [50,38]
  • [28,22,16]
  • [13,15,7,9]
  • [4,9,6,1,8]
Base
  • 4
  • 9
  • 6
  • 1
  • 8
TopValue
88
HiddenCells
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":2,"v":6}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":2,"v":16}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [91] → [40, 51] → [19, 21, _] → [_, 10, _, _] → [1, _, _, _, _]

Show answer

Answer: Row4[1]=9, Row4[3]=11, Row5[3]=2, Row4[4]=19, Row5[4]=9, Row5[2]=8, Row5[5]=10, Row3[3]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [40,51]
  • [19,21,30]
  • [9,10,11,19]
  • [1,8,2,9,10]
Base
  • 1
  • 8
  • 2
  • 9
  • 10
TopValue
91
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":2,"v":2}
  • {"r":3,"c":3,"v":19}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":2,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [132] → [_, _] → [_, _, _] → [_, 15, _, _] → [10, 8, 7, 10, 8]

Show answer

Answer: Row4[4]=18, Row4[3]=17, Row2[2]=67, Row3[3]=35, Row3[1]=33, Row4[1]=18, Row2[1]=65, Row3[2]=32

SubType
number-pyramid
Difficulty
hard
Levels
  • [132]
  • [65,67]
  • [33,32,35]
  • [18,15,17,18]
  • [10,8,7,10,8]
Base
  • 10
  • 8
  • 7
  • 10
  • 8
TopValue
132
HiddenCells
  • {"r":3,"c":3,"v":18}
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":1,"v":67}
  • {"r":2,"c":2,"v":35}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":0,"v":18}
  • {"r":1,"c":0,"v":65}
  • {"r":2,"c":1,"v":32}