easy Set 90 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, _] → [7, 5, _]

Show answer

Answer: Row3[3]=7, Row2[2]=12

SubType
number-pyramid
Difficulty
easy
Levels
  • [24]
  • [12,12]
  • [7,5,7]
Base
  • 7
  • 5
  • 7
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [9, 12] → [_, _, 5]

Show answer

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

SubType
number-pyramid
Difficulty
easy
Levels
  • [21]
  • [9,12]
  • [2,7,5]
Base
  • 2
  • 7
  • 5
TopValue
21
HiddenCells
  • {"r":2,"c":0,"v":2}
  • {"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): [17] → [11, _] → [7, _, 2]

Show answer

Answer: Row3[2]=4, Row2[2]=6

SubType
number-pyramid
Difficulty
easy
Levels
  • [17]
  • [11,6]
  • [7,4,2]
Base
  • 7
  • 4
  • 2
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":1,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, _] → [6, 6, 10]

Show answer

Answer: Row1[1]=28, Row2[2]=16

SubType
number-pyramid
Difficulty
easy
Levels
  • [28]
  • [12,16]
  • [6,6,10]
Base
  • 6
  • 6
  • 10
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"r":1,"c":1,"v":16}