expert Set 93 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 17] → [_, 9, 8]

Show answer

Answer: Row3[1]=4, Row1[1]=30

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [13,17]
  • [4,9,8]
Base
  • 4
  • 9
  • 8
TopValue
30
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":0,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [3, _] → [2, 1, 8]

Show answer

Answer: Row2[2]=9, Row1[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [3,9]
  • [2,1,8]
Base
  • 2
  • 1
  • 8
TopValue
12
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [_, 15] → [7, 8, _]

Show answer

Answer: Row2[1]=15, Row3[3]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [15,15]
  • [7,8,7]
Base
  • 7
  • 8
  • 7
TopValue
30
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 3] → [8, 1, _]

Show answer

Answer: Row3[3]=2, Row1[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [12]
  • [9,3]
  • [8,1,2]
Base
  • 8
  • 1
  • 2
TopValue
12
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":0,"c":0,"v":12}