starter Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [5, 8, 9]

Show answer

Answer: Row1[1]=30, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [13,17]
  • [5,8,9]
Base
  • 5
  • 8
  • 9
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [15, 7] → [9, _, _]

Show answer

Answer: Row3[3]=1, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [15,7]
  • [9,6,1]
Base
  • 9
  • 6
  • 1
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"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): [_] → [9, 6] → [5, 4, _]

Show answer

Answer: Row1[1]=15, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [9,6]
  • [5,4,2]
Base
  • 5
  • 4
  • 2
TopValue
15
HiddenCells
  • {"r":0,"c":0,"v":15}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [9, _] → [3, 6, _]

Show answer

Answer: Row2[2]=13, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [9,13]
  • [3,6,7]
Base
  • 3
  • 6
  • 7
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":2,"v":7}