starter Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [14, 11] → [9, _, _]

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Answer: Row3[2]=5, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [9,5,6]
Base
  • 9
  • 5
  • 6
TopValue
25
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [13, 11] → [9, _, _]

Show answer

Answer: Row3[2]=4, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [9,4,7]
Base
  • 9
  • 4
  • 7
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":2,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 12] → [_, 8, 4]

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Answer: Row1[1]=25, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [5,8,4]
Base
  • 5
  • 8
  • 4
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":2,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [16] → [_, 5] → [_, 1, 4]

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Answer: Row3[1]=10, Row2[1]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [11,5]
  • [10,1,4]
Base
  • 10
  • 1
  • 4
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":11}