starter Set 41 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 13] → [10, 5, _]

Show answer

Answer: Row1[1]=28, Row3[3]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [28]
  • [15,13]
  • [10,5,8]
Base
  • 10
  • 5
  • 8
TopValue
28
HiddenCells
  • {"r":0,"c":0,"v":28}
  • {"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): [_] → [14, 8] → [_, 6, 2]

Show answer

Answer: Row3[1]=8, Row1[1]=22

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [14,8]
  • [8,6,2]
Base
  • 8
  • 6
  • 2
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":8}
  • {"r":0,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [9, 13] → [_, 4, _]

Show answer

Answer: Row3[1]=5, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [9,13]
  • [5,4,9]
Base
  • 5
  • 4
  • 9
TopValue
22
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":2,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [15, _] → [_, 10, 1]

Show answer

Answer: Row3[1]=5, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [15,11]
  • [5,10,1]
Base
  • 5
  • 10
  • 1
TopValue
26
HiddenCells
  • {"r":2,"c":0,"v":5}
  • {"r":1,"c":1,"v":11}