expert Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [7] → [_, 4] → [_, 1, 3]

Show answer

Answer: Row3[1]=2, Row2[1]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [7]
  • [3,4]
  • [2,1,3]
Base
  • 2
  • 1
  • 3
TopValue
7
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":1,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 13] → [9, 9, _]

Show answer

Answer: Row3[3]=4, Row1[1]=31

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [18,13]
  • [9,9,4]
Base
  • 9
  • 9
  • 4
TopValue
31
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [13, _] → [8, _, 2]

Show answer

Answer: Row3[2]=5, Row2[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [13,7]
  • [8,5,2]
Base
  • 8
  • 5
  • 2
TopValue
20
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [15] → [4, _] → [3, _, 10]

Show answer

Answer: Row3[2]=1, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [15]
  • [4,11]
  • [3,1,10]
Base
  • 3
  • 1
  • 10
TopValue
15
HiddenCells
  • {"r":2,"c":1,"v":1}
  • {"r":1,"c":1,"v":11}