starter Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [17, _] → [7, _, 3]

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Answer: Row3[2]=10, Row2[2]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [30]
  • [17,13]
  • [7,10,3]
Base
  • 7
  • 10
  • 3
TopValue
30
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [5, _] → [1, 4, _]

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Answer: Row3[3]=1, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [5,5]
  • [1,4,1]
Base
  • 1
  • 4
  • 1
TopValue
10
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"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): [28] → [13, _] → [4, 9, _]

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Answer: Row2[2]=15, Row3[3]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [4,9,6]
Base
  • 4
  • 9
  • 6
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"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): [25] → [_, 11] → [9, _, 6]

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Answer: Row3[2]=5, Row2[1]=14

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":1,"c":0,"v":14}