starter Set 35 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [14, _] → [_, 10, 3]

Show answer

Answer: Row2[2]=13, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [14,13]
  • [4,10,3]
Base
  • 4
  • 10
  • 3
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [2, 6] → [1, 1, _]

Show answer

Answer: Row1[1]=8, Row3[3]=5

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 10] → [8, 6, _]

Show answer

Answer: Row3[3]=4, Row1[1]=24

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [14,10]
  • [8,6,4]
Base
  • 8
  • 6
  • 4
TopValue
24
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"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): [18] → [12, _] → [7, 5, _]

Show answer

Answer: Row2[2]=6, Row3[3]=1

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [12,6]
  • [7,5,1]
Base
  • 7
  • 5
  • 1
TopValue
18
HiddenCells
  • {"r":1,"c":1,"v":6}
  • {"r":2,"c":2,"v":1}