expert Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 16] → [5, 9, _]

Show answer

Answer: Row3[3]=7, Row1[1]=30

SubType
number-pyramid
Difficulty
expert
Levels
  • [30]
  • [14,16]
  • [5,9,7]
Base
  • 5
  • 9
  • 7
TopValue
30
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"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): [15] → [6, 9] → [5, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [6,9]
  • [5,1,8]
Base
  • 5
  • 1
  • 8
TopValue
15
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): [18] → [_, 8] → [5, _, 3]

Show answer

Answer: Row2[1]=10, Row3[2]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [10,8]
  • [5,5,3]
Base
  • 5
  • 5
  • 3
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [9] → [_, 4] → [_, 3, 1]

Show answer

Answer: Row3[1]=2, Row2[1]=5

SubType
number-pyramid
Difficulty
expert
Levels
  • [9]
  • [5,4]
  • [2,3,1]
Base
  • 2
  • 3
  • 1
TopValue
9
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":5}