starter Set 33 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [_, 7] → [4, 6, _]

Show answer

Answer: Row3[3]=1, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [10,7]
  • [4,6,1]
Base
  • 4
  • 6
  • 1
TopValue
17
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [2, 3, 1]

Show answer

Answer: Row1[1]=9, Row2[2]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [9]
  • [5,4]
  • [2,3,1]
Base
  • 2
  • 3
  • 1
TopValue
9
HiddenCells
  • {"r":0,"c":0,"v":9}
  • {"r":1,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [20, 19] → [10, 10, _]

Show answer

Answer: Row1[1]=39, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [39]
  • [20,19]
  • [10,10,9]
Base
  • 10
  • 10
  • 9
TopValue
39
HiddenCells
  • {"r":0,"c":0,"v":39}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [7, _] → [2, 5, _]

Show answer

Answer: Row2[2]=10, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [7,10]
  • [2,5,5]
Base
  • 2
  • 5
  • 5
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":2,"c":2,"v":5}