expert Set 76 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [12, _] → [3, 9, _]

Show answer

Answer: Row2[2]=15, Row3[3]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [12,15]
  • [3,9,6]
Base
  • 3
  • 9
  • 6
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [_, 20] → [_, 10, 10]

Show answer

Answer: Row2[1]=14, Row3[1]=4

SubType
number-pyramid
Difficulty
expert
Levels
  • [34]
  • [14,20]
  • [4,10,10]
Base
  • 4
  • 10
  • 10
TopValue
34
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 12] → [_, 3, 9]

Show answer

Answer: Row1[1]=19, Row3[1]=4

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [_, 10] → [8, _, 9]

Show answer

Answer: Row2[1]=9, Row3[2]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [9,10]
  • [8,1,9]
Base
  • 8
  • 1
  • 9
TopValue
19
HiddenCells
  • {"r":1,"c":0,"v":9}
  • {"r":2,"c":1,"v":1}