medium Set 66 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 28] → [4, 11, 17] → [_, 3, _, _]

Show answer

Answer: Row4[3]=8, Row1[1]=43, Row4[1]=1, Row4[4]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [43]
  • [15,28]
  • [4,11,17]
  • [1,3,8,9]
Base
  • 1
  • 3
  • 8
  • 9
TopValue
43
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":0,"c":0,"v":43}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 23] → [13, _, 13] → [_, _, 4, 9]

Show answer

Answer: Row1[1]=46, Row4[2]=6, Row3[2]=10, Row4[1]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [46]
  • [23,23]
  • [13,10,13]
  • [7,6,4,9]
Base
  • 7
  • 6
  • 4
  • 9
TopValue
46
HiddenCells
  • {"r":0,"c":0,"v":46}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 21] → [13, _, 10] → [4, _, 2, 8]

Show answer

Answer: Row2[1]=24, Row1[1]=45, Row3[2]=11, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [24,21]
  • [13,11,10]
  • [4,9,2,8]
Base
  • 4
  • 9
  • 2
  • 8
TopValue
45
HiddenCells
  • {"r":1,"c":0,"v":24}
  • {"r":0,"c":0,"v":45}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, _] → [8, _, 11] → [_, 4, 10, 1]

Show answer

Answer: Row1[1]=47, Row3[2]=14, Row4[1]=4, Row2[2]=25

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [8,14,11]
  • [4,4,10,1]
Base
  • 4
  • 4
  • 10
  • 1
TopValue
47
HiddenCells
  • {"r":0,"c":0,"v":47}
  • {"r":2,"c":1,"v":14}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":1,"v":25}