expert Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, 12] → [4, _, 8]

Show answer

Answer: Row3[2]=4, Row1[1]=20

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [8,12]
  • [4,4,8]
Base
  • 4
  • 4
  • 8
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":0,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [5, _] → [_, 1, 1]

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [_, 18] → [_, 10, 8]

Show answer

Answer: Row3[1]=9, Row2[1]=19

SubType
number-pyramid
Difficulty
expert
Levels
  • [37]
  • [19,18]
  • [9,10,8]
Base
  • 9
  • 10
  • 8
TopValue
37
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [10, _] → [4, 6, _]

Show answer

Answer: Row3[3]=6, Row2[2]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [10,12]
  • [4,6,6]
Base
  • 4
  • 6
  • 6
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":6}
  • {"r":1,"c":1,"v":12}