expert 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): [_] → [16, 17] → [8, 8, _]

Show answer

Answer: Row3[3]=9, Row1[1]=33

SubType
number-pyramid
Difficulty
expert
Levels
  • [33]
  • [16,17]
  • [8,8,9]
Base
  • 8
  • 8
  • 9
TopValue
33
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [12, 10] → [_, 9, _]

Show answer

Answer: Row3[1]=3, Row3[3]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [12,10]
  • [3,9,1]
Base
  • 3
  • 9
  • 1
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [14, 9] → [8, _, _]

Show answer

Answer: Row3[3]=3, Row3[2]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [14,9]
  • [8,6,3]
Base
  • 8
  • 6
  • 3
TopValue
23
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, _] → [2, 10, _]

Show answer

Answer: Row2[2]=11, Row3[3]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [12,11]
  • [2,10,1]
Base
  • 2
  • 10
  • 1
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":11}
  • {"r":2,"c":2,"v":1}