easy Set 99 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [17, _] → [10, _, 5]

Show answer

Answer: Row2[2]=12, Row3[2]=7

SubType
number-pyramid
Difficulty
easy
Levels
  • [29]
  • [17,12]
  • [10,7,5]
Base
  • 10
  • 7
  • 5
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [6, 10] → [_, _, 8]

Show answer

Answer: Row3[2]=2, Row3[1]=4

SubType
number-pyramid
Difficulty
easy
Levels
  • [16]
  • [6,10]
  • [4,2,8]
Base
  • 4
  • 2
  • 8
TopValue
16
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 10] → [4, _, 2]

Show answer

Answer: Row2[1]=12, Row3[2]=8

SubType
number-pyramid
Difficulty
easy
Levels
  • [22]
  • [12,10]
  • [4,8,2]
Base
  • 4
  • 8
  • 2
TopValue
22
HiddenCells
  • {"r":1,"c":0,"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): [_] → [13, 8] → [_, 7, 1]

Show answer

Answer: Row1[1]=21, Row3[1]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [13,8]
  • [6,7,1]
Base
  • 6
  • 7
  • 1
TopValue
21
HiddenCells
  • {"r":0,"c":0,"v":21}
  • {"r":2,"c":0,"v":6}