starter Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, _] → [3, 10, _]

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Answer: Row3[3]=5, Row2[2]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [3,10,5]
Base
  • 3
  • 10
  • 5
TopValue
28
HiddenCells
  • {"r":2,"c":2,"v":5}
  • {"r":1,"c":1,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [11, 14] → [4, _, _]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [11,14]
  • [4,7,7]
Base
  • 4
  • 7
  • 7
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"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): [21] → [_, 11] → [1, _, 2]

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Answer: Row2[1]=10, Row3[2]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [1,9,2]
Base
  • 1
  • 9
  • 2
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"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): [34] → [16, 18] → [_, _, 8]

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Answer: Row3[2]=10, Row3[1]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [16,18]
  • [6,10,8]
Base
  • 6
  • 10
  • 8
TopValue
34
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":2,"c":0,"v":6}