starter Set 98 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, _] → [7, _, 8]

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Answer: Row2[2]=13, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [7,5,8]
Base
  • 7
  • 5
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 11] → [_, 6, 5]

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Answer: Row3[1]=7, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [7,6,5]
Base
  • 7
  • 6
  • 5
TopValue
24
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"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): [28] → [17, 11] → [8, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [17,11]
  • [8,9,2]
Base
  • 8
  • 9
  • 2
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, _] → [5, 7, _]

Show answer

Answer: Row2[2]=13, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [5,7,6]
Base
  • 5
  • 7
  • 6
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":2,"v":6}