expert Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 16] → [1, _, 6]

Show answer

Answer: Row3[2]=10, Row2[1]=11

SubType
number-pyramid
Difficulty
expert
Levels
  • [27]
  • [11,16]
  • [1,10,6]
Base
  • 1
  • 10
  • 6
TopValue
27
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"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): [21] → [_, 12] → [_, 5, 7]

Show answer

Answer: Row3[1]=4, Row2[1]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [21]
  • [9,12]
  • [4,5,7]
Base
  • 4
  • 5
  • 7
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":4}
  • {"r":1,"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): [25] → [9, 16] → [2, _, _]

Show answer

Answer: Row3[2]=7, Row3[3]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [9,16]
  • [2,7,9]
Base
  • 2
  • 7
  • 9
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [16, 18] → [_, _, 9]

Show answer

Answer: Row3[1]=7, Row3[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [34]
  • [16,18]
  • [7,9,9]
Base
  • 7
  • 9
  • 9
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":1,"v":9}