expert Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 9] → [2, 5, _]

Show answer

Answer: Row2[1]=7, Row3[3]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [7,9]
  • [2,5,4]
Base
  • 2
  • 5
  • 4
TopValue
16
HiddenCells
  • {"r":1,"c":0,"v":7}
  • {"r":2,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [11, 13] → [1, _, _]

Show answer

Answer: Row3[3]=3, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [11,13]
  • [1,10,3]
Base
  • 1
  • 10
  • 3
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":3}
  • {"r":2,"c":1,"v":10}

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

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [6, 8] → [_, 5, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [6,8]
  • [1,5,3]
Base
  • 1
  • 5
  • 3
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":2,"v":3}