easy Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [18, 9] → [_, 8, _]

Show answer

Answer: Row3[3]=1, Row3[1]=10

SubType
number-pyramid
Difficulty
easy
Levels
  • [27]
  • [18,9]
  • [10,8,1]
Base
  • 10
  • 8
  • 1
TopValue
27
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"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): [28] → [_, 18] → [1, 9, _]

Show answer

Answer: Row2[1]=10, Row3[3]=9

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [10,18]
  • [1,9,9]
Base
  • 1
  • 9
  • 9
TopValue
28
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"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): [_] → [_, 15] → [3, 8, 7]

Show answer

Answer: Row1[1]=26, Row2[1]=11

SubType
number-pyramid
Difficulty
easy
Levels
  • [26]
  • [11,15]
  • [3,8,7]
Base
  • 3
  • 8
  • 7
TopValue
26
HiddenCells
  • {"r":0,"c":0,"v":26}
  • {"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): [31] → [16, _] → [_, 9, 6]

Show answer

Answer: Row3[1]=7, Row2[2]=15

SubType
number-pyramid
Difficulty
easy
Levels
  • [31]
  • [16,15]
  • [7,9,6]
Base
  • 7
  • 9
  • 6
TopValue
31
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":1,"c":1,"v":15}