starter Set 53 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 14] → [9, _, 4]

Show answer

Answer: Row3[2]=10, Row1[1]=33

SubType
number-pyramid
Difficulty
starter
Levels
  • [33]
  • [19,14]
  • [9,10,4]
Base
  • 9
  • 10
  • 4
TopValue
33
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":0,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [7, 6, 5]

Show answer

Answer: Row1[1]=24, Row2[1]=13

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [7,6,5]
Base
  • 7
  • 6
  • 5
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":1,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [4, _] → [_, 1, 9]

Show answer

Answer: Row2[2]=10, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [4,10]
  • [3,1,9]
Base
  • 3
  • 1
  • 9
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"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): [_] → [15, 14] → [_, 6, 8]

Show answer

Answer: Row3[1]=9, Row1[1]=29

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [15,14]
  • [9,6,8]
Base
  • 9
  • 6
  • 8
TopValue
29
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":0,"c":0,"v":29}