expert Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 14] → [8, 4, _]

Show answer

Answer: Row1[1]=26, Row3[3]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [12,14]
  • [8,4,10]
Base
  • 8
  • 4
  • 10
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [10, 11] → [_, 9, _]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [10,11]
  • [1,9,2]
Base
  • 1
  • 9
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [14, _] → [_, 4, 8]

Show answer

Answer: Row2[2]=12, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [26]
  • [14,12]
  • [10,4,8]
Base
  • 10
  • 4
  • 8
TopValue
26
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [10, 11] → [1, _, 2]

Show answer

Answer: Row3[2]=9, Row1[1]=21

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [10,11]
  • [1,9,2]
Base
  • 1
  • 9
  • 2
TopValue
21
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":0,"c":0,"v":21}