expert Set 55 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [19, _] → [_, 10, 2]

Show answer

Answer: Row2[2]=12, Row3[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [31]
  • [19,12]
  • [9,10,2]
Base
  • 9
  • 10
  • 2
TopValue
31
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 8] → [_, 6, 2]

Show answer

Answer: Row2[1]=16, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [16,8]
  • [10,6,2]
Base
  • 10
  • 6
  • 2
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"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): [22] → [14, _] → [9, _, 3]

Show answer

Answer: Row3[2]=5, Row2[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [14,8]
  • [9,5,3]
Base
  • 9
  • 5
  • 3
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [13, _] → [_, 7, 7]

Show answer

Answer: Row2[2]=14, Row3[1]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [13,14]
  • [6,7,7]
Base
  • 6
  • 7
  • 7
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":14}
  • {"r":2,"c":0,"v":6}