medium Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [12, _, 13] → [3, 9, 3, _]

Show answer

Answer: Row2[2]=25, Row2[1]=24, Row3[2]=12, Row4[4]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [24,25]
  • [12,12,13]
  • [3,9,3,10]
Base
  • 3
  • 9
  • 3
  • 10
TopValue
49
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":1,"c":0,"v":24}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [53] → [_, 28] → [13, _, 16] → [_, _, 9, 7]

Show answer

Answer: Row4[2]=3, Row3[2]=12, Row2[1]=25, Row4[1]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [25,28]
  • [13,12,16]
  • [10,3,9,7]
Base
  • 10
  • 3
  • 9
  • 7
TopValue
53
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":12}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, 13] → [_, 7, 6] → [10, _, _, 1]

Show answer

Answer: Row4[3]=5, Row2[1]=19, Row3[1]=12, Row4[2]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [19,13]
  • [12,7,6]
  • [10,2,5,1]
Base
  • 10
  • 2
  • 5
  • 1
TopValue
32
HiddenCells
  • {"r":3,"c":2,"v":5}
  • {"r":1,"c":0,"v":19}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, 24] → [14, 13, _] → [_, 6, 7, _]

Show answer

Answer: Row2[1]=27, Row4[1]=8, Row3[3]=11, Row4[4]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [27,24]
  • [14,13,11]
  • [8,6,7,4]
Base
  • 8
  • 6
  • 7
  • 4
TopValue
51
HiddenCells
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":3,"v":4}