starter Set 34 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [_, 11] → [8, 10, _]

Show answer

Answer: Row3[3]=1, Row2[1]=18

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [18,11]
  • [8,10,1]
Base
  • 8
  • 10
  • 1
TopValue
29
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":1,"c":0,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 11] → [7, _, 7]

Show answer

Answer: Row3[2]=4, Row1[1]=22

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [11,11]
  • [7,4,7]
Base
  • 7
  • 4
  • 7
TopValue
22
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":0,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [9, _] → [_, 1, 7]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [8,1,7]
Base
  • 8
  • 1
  • 7
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":8}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 12] → [3, 10, _]

Show answer

Answer: Row3[3]=2, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [13,12]
  • [3,10,2]
Base
  • 3
  • 10
  • 2
TopValue
25
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":0,"v":13}