expert Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 17] → [_, 7, 10]

Show answer

Answer: Row2[1]=8, Row3[1]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [8,17]
  • [1,7,10]
Base
  • 1
  • 7
  • 10
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 6] → [_, 5, 1]

Show answer

Answer: Row1[1]=21, Row3[1]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [15,6]
  • [10,5,1]
Base
  • 10
  • 5
  • 1
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"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): [_] → [5, _] → [1, 4, 5]

Show answer

Answer: Row2[2]=9, Row1[1]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [14]
  • [5,9]
  • [1,4,5]
Base
  • 1
  • 4
  • 5
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"r":0,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [7, 9] → [_, 5, 4]

Show answer

Answer: Row3[1]=2, Row1[1]=16

SubType
number-pyramid
Difficulty
expert
Levels
  • [16]
  • [7,9]
  • [2,5,4]
Base
  • 2
  • 5
  • 4
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"r":0,"c":0,"v":16}