hard Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [32, _] → [_, _, 18] → [9, 8, 7, _] → [_, 6, _, _, _]

Show answer

Answer: Row5[5]=6, Row2[2]=33, Row5[3]=2, Row5[4]=5, Row3[2]=15, Row5[1]=3, Row3[1]=17, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [32,33]
  • [17,15,18]
  • [9,8,7,11]
  • [3,6,2,5,6]
Base
  • 3
  • 6
  • 2
  • 5
  • 6
TopValue
65
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":1,"v":33}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":0,"v":17}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [_, _, _] → [10, 10, _, 16] → [_, 6, _, 6, 10]

Show answer

Answer: Row3[1]=20, Row4[3]=10, Row2[2]=46, Row3[2]=20, Row5[3]=4, Row3[3]=26, Row5[1]=4, Row1[1]=86

SubType
number-pyramid
Difficulty
hard
Levels
  • [86]
  • [40,46]
  • [20,20,26]
  • [10,10,10,16]
  • [4,6,4,6,10]
Base
  • 4
  • 6
  • 4
  • 6
  • 10
TopValue
86
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":46}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":2,"v":4}
  • {"r":2,"c":2,"v":26}
  • {"r":4,"c":0,"v":4}
  • {"r":0,"c":0,"v":86}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [123] → [_, _] → [_, _, 27] → [17, 17, 14, _] → [_, _, 7, 7, _]

Show answer

Answer: Row4[4]=13, Row5[2]=10, Row3[2]=31, Row3[1]=34, Row2[1]=65, Row2[2]=58, Row5[1]=7, Row5[5]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [123]
  • [65,58]
  • [34,31,27]
  • [17,17,14,13]
  • [7,10,7,7,6]
Base
  • 7
  • 10
  • 7
  • 7
  • 6
TopValue
123
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":1,"v":31}
  • {"r":2,"c":0,"v":34}
  • {"r":1,"c":0,"v":65}
  • {"r":1,"c":1,"v":58}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":4,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [25, _] → [_, _, 25] → [2, _, 13, 12] → [_, _, 4, _, 3]

Show answer

Answer: Row5[4]=9, Row5[2]=1, Row2[2]=43, Row1[1]=68, Row3[2]=18, Row5[1]=1, Row3[1]=7, Row4[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [25,43]
  • [7,18,25]
  • [2,5,13,12]
  • [1,1,4,9,3]
Base
  • 1
  • 1
  • 4
  • 9
  • 3
TopValue
68
HiddenCells
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":1,"v":43}
  • {"r":0,"c":0,"v":68}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":0,"v":7}
  • {"r":3,"c":1,"v":5}