hard Set 87 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [_, 20, _] → [_, _, _, 15] → [5, _, 6, 5, 10]

Show answer

Answer: Row4[3]=11, Row2[2]=46, Row3[3]=26, Row4[1]=8, Row4[2]=9, Row5[2]=3, Row3[1]=17, Row1[1]=83

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [37,46]
  • [17,20,26]
  • [8,9,11,15]
  • [5,3,6,5,10]
Base
  • 5
  • 3
  • 6
  • 5
  • 10
TopValue
83
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":1,"c":1,"v":46}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":0,"v":8}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":0,"c":0,"v":83}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [19, 18, _] → [_, 8, 10, _] → [_, 5, _, 7, _]

Show answer

Answer: Row4[1]=11, Row4[4]=11, Row3[3]=21, Row2[2]=39, Row1[1]=76, Row5[1]=6, Row5[3]=3, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [37,39]
  • [19,18,21]
  • [11,8,10,11]
  • [6,5,3,7,4]
Base
  • 6
  • 5
  • 3
  • 7
  • 4
TopValue
76
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":21}
  • {"r":1,"c":1,"v":39}
  • {"r":0,"c":0,"v":76}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":3}
  • {"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): [_] → [_, 53] → [_, 24, _] → [_, 13, _, 18] → [1, 10, _, _, 10]

Show answer

Answer: Row4[3]=11, Row5[3]=3, Row4[1]=11, Row3[3]=29, Row3[1]=24, Row5[4]=8, Row1[1]=101, Row2[1]=48

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [48,53]
  • [24,24,29]
  • [11,13,11,18]
  • [1,10,3,8,10]
Base
  • 1
  • 10
  • 3
  • 8
  • 10
TopValue
101
HiddenCells
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":0,"v":11}
  • {"r":2,"c":2,"v":29}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":101}
  • {"r":1,"c":0,"v":48}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, _] → [17, 18, 30] → [_, 7, _, 19] → [_, _, _, _, 10]

Show answer

Answer: Row2[2]=48, Row5[2]=5, Row1[1]=83, Row5[1]=5, Row4[1]=10, Row5[3]=2, Row5[4]=9, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [35,48]
  • [17,18,30]
  • [10,7,11,19]
  • [5,5,2,9,10]
Base
  • 5
  • 5
  • 2
  • 9
  • 10
TopValue
83
HiddenCells
  • {"r":1,"c":1,"v":48}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":83}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":3,"v":9}
  • {"r":3,"c":2,"v":11}