starter Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [6, 9, 10]

Show answer

Answer: Row1[1]=34, Row2[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [34]
  • [15,19]
  • [6,9,10]
Base
  • 6
  • 9
  • 10
TopValue
34
HiddenCells
  • {"r":0,"c":0,"v":34}
  • {"r":1,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [13, 11] → [10, _, 8]

Show answer

Answer: Row3[2]=3, Row1[1]=24

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [13,11]
  • [10,3,8]
Base
  • 10
  • 3
  • 8
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":3}
  • {"r":0,"c":0,"v":24}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 7] → [6, 2, 5]

Show answer

Answer: Row2[1]=8, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [8,7]
  • [6,2,5]
Base
  • 6
  • 2
  • 5
TopValue
15
HiddenCells
  • {"r":1,"c":0,"v":8}
  • {"r":0,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [24] → [_, 14] → [5, _, 9]

Show answer

Answer: Row3[2]=5, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [10,14]
  • [5,5,9]
Base
  • 5
  • 5
  • 9
TopValue
24
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":1,"c":0,"v":10}