starter Set 75 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, _] → [5, 7, 3]

Show answer

Answer: Row2[2]=10, Row2[1]=12

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [5,7,3]
Base
  • 5
  • 7
  • 3
TopValue
22
HiddenCells
  • {"r":1,"c":1,"v":10}
  • {"r":1,"c":0,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [9, 5] → [_, _, 4]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [9,5]
  • [8,1,4]
Base
  • 8
  • 1
  • 4
TopValue
14
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":2,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 12] → [7, _, 8]

Show answer

Answer: Row3[2]=4, Row1[1]=23

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [11,12]
  • [7,4,8]
Base
  • 7
  • 4
  • 8
TopValue
23
HiddenCells
  • {"r":2,"c":1,"v":4}
  • {"r":0,"c":0,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [_, _] → [4, 9, 10]

Show answer

Answer: Row2[1]=13, Row2[2]=19

SubType
number-pyramid
Difficulty
starter
Levels
  • [32]
  • [13,19]
  • [4,9,10]
Base
  • 4
  • 9
  • 10
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":1,"c":1,"v":19}