expert Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [19] → [8, _] → [4, 4, _]

Show answer

Answer: Row3[3]=7, Row2[2]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [19]
  • [8,11]
  • [4,4,7]
Base
  • 4
  • 4
  • 7
TopValue
19
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 5] → [8, 4, _]

Show answer

Answer: Row3[3]=1, Row2[1]=12

SubType
number-pyramid
Difficulty
expert
Levels
  • [17]
  • [12,5]
  • [8,4,1]
Base
  • 8
  • 4
  • 1
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [12, _] → [3, 9, _]

Show answer

Answer: Row2[2]=17, Row3[3]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [12,17]
  • [3,9,8]
Base
  • 3
  • 9
  • 8
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [_, 12] → [10, _, 6]

Show answer

Answer: Row3[2]=6, Row2[1]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [28]
  • [16,12]
  • [10,6,6]
Base
  • 10
  • 6
  • 6
TopValue
28
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":16}