starter 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): [13] → [5, _] → [_, 2, 6]

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Answer: Row2[2]=8, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [5,8]
  • [3,2,6]
Base
  • 3
  • 2
  • 6
TopValue
13
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, 15] → [_, 8, _]

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Answer: Row3[1]=5, Row3[3]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [5,8,7]
Base
  • 5
  • 8
  • 7
TopValue
28
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"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): [_] → [10, 16] → [_, 9, 7]

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Answer: Row3[1]=1, Row1[1]=26

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [10,16]
  • [1,9,7]
Base
  • 1
  • 9
  • 7
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":1}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [12, 11] → [_, _, 5]

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [12,11]
  • [6,6,5]
Base
  • 6
  • 6
  • 5
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":2,"c":1,"v":6}