expert Set 72 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [11] → [_, 7] → [_, 2, 5]

Show answer

Answer: Row2[1]=4, Row3[1]=2

SubType
number-pyramid
Difficulty
expert
Levels
  • [11]
  • [4,7]
  • [2,2,5]
Base
  • 2
  • 2
  • 5
TopValue
11
HiddenCells
  • {"r":1,"c":0,"v":4}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 10] → [9, _, 3]

Show answer

Answer: Row3[2]=7, Row2[1]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [16,10]
  • [9,7,3]
Base
  • 9
  • 7
  • 3
TopValue
26
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [20, 11] → [10, _, _]

Show answer

Answer: Row3[3]=1, Row3[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [20,11]
  • [10,10,1]
Base
  • 10
  • 10
  • 1
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"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): [19] → [_, 11] → [6, _, 9]

Show answer

Answer: Row3[2]=2, Row2[1]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [8,11]
  • [6,2,9]
Base
  • 6
  • 2
  • 9
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"c":0,"v":8}