expert Set 63 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 9] → [9, 2, _]

Show answer

Answer: Row1[1]=20, Row3[3]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [9,2,7]
Base
  • 9
  • 2
  • 7
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [8, _] → [5, 3, 2]

Show answer

Answer: Row2[2]=5, Row1[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [8,5]
  • [5,3,2]
Base
  • 5
  • 3
  • 2
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":5}
  • {"r":0,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 15] → [_, 9, 6]

Show answer

Answer: Row3[1]=5, Row2[1]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [14,15]
  • [5,9,6]
Base
  • 5
  • 9
  • 6
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 5] → [_, 1, 4]

Show answer

Answer: Row1[1]=9, Row3[1]=3

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