expert Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [5, 9] → [4, _, _]

Show answer

Answer: Row3[3]=8, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [5,9]
  • [4,1,8]
Base
  • 4
  • 1
  • 8
TopValue
14
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, _] → [4, 4, _]

Show answer

Answer: Row2[2]=9, Row3[3]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [8,9]
  • [4,4,5]
Base
  • 4
  • 4
  • 5
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [7, 4, 9]

Show answer

Answer: Row2[2]=13, Row1[1]=24

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [11,13]
  • [7,4,9]
Base
  • 7
  • 4
  • 9
TopValue
24
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 7] → [9, _, 4]

Show answer

Answer: Row3[2]=3, Row1[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [12,7]
  • [9,3,4]
Base
  • 9
  • 3
  • 4
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":19}