expert Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [12, 12] → [4, _, _]

Show answer

Answer: Row3[3]=4, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [24]
  • [12,12]
  • [4,8,4]
Base
  • 4
  • 8
  • 4
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":2,"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): [18] → [_, 7] → [8, 3, _]

Show answer

Answer: Row3[3]=4, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [11,7]
  • [8,3,4]
Base
  • 8
  • 3
  • 4
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, _] → [7, _, 4]

Show answer

Answer: Row2[2]=12, Row3[2]=8

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [15,12]
  • [7,8,4]
Base
  • 7
  • 8
  • 4
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"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): [20] → [_, 10] → [_, 9, 1]

Show answer

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

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [10,10]
  • [1,9,1]
Base
  • 1
  • 9
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":1,"c":0,"v":10}