expert Set 58 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [10, _] → [4, 6, _]

Show answer

Answer: Row2[2]=15, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [10,15]
  • [4,6,9]
Base
  • 4
  • 6
  • 9
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 17] → [10, 8, _]

Show answer

Answer: Row1[1]=35, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [35]
  • [18,17]
  • [10,8,9]
Base
  • 10
  • 8
  • 9
TopValue
35
HiddenCells
  • {"r":0,"c":0,"v":35}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, _] → [8, 6, 9]

Show answer

Answer: Row1[1]=29, Row2[2]=15

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [14,15]
  • [8,6,9]
Base
  • 8
  • 6
  • 9
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, 9] → [4, _, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [4,6,3]
Base
  • 4
  • 6
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":2,"c":2,"v":3}