expert Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, _] → [1, 8, 6]

Show answer

Answer: Row2[2]=14, Row1[1]=23

SubType
number-pyramid
Difficulty
expert
Levels
  • [23]
  • [9,14]
  • [1,8,6]
Base
  • 1
  • 8
  • 6
TopValue
23
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [10, _] → [_, 6, 3]

Show answer

Answer: Row3[1]=4, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [10,9]
  • [4,6,3]
Base
  • 4
  • 6
  • 3
TopValue
19
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [11, _] → [7, 4, _]

Show answer

Answer: Row3[3]=10, Row2[2]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [11,14]
  • [7,4,10]
Base
  • 7
  • 4
  • 10
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, _] → [1, 10, 5]

Show answer

Answer: Row2[2]=15, Row1[1]=26

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [11,15]
  • [1,10,5]
Base
  • 1
  • 10
  • 5
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":0,"c":0,"v":26}