starter Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [21] → [_, 11] → [4, _, 5]

Show answer

Answer: Row2[1]=10, Row3[2]=6

SubType
number-pyramid
Difficulty
starter
Levels
  • [21]
  • [10,11]
  • [4,6,5]
Base
  • 4
  • 6
  • 5
TopValue
21
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":2,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [14, 6] → [_, 5, _]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [20]
  • [14,6]
  • [9,5,1]
Base
  • 9
  • 5
  • 1
TopValue
20
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [28] → [13, _] → [6, 7, _]

Show answer

Answer: Row2[2]=15, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [13,15]
  • [6,7,8]
Base
  • 6
  • 7
  • 8
TopValue
28
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":2,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 13] → [_, 7, 6]

Show answer

Answer: Row1[1]=24, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [11,13]
  • [4,7,6]
Base
  • 4
  • 7
  • 6
TopValue
24
HiddenCells
  • {"r":0,"c":0,"v":24}
  • {"r":2,"c":0,"v":4}