starter Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 13] → [_, 5, 8]

Show answer

Answer: Row2[1]=13, Row3[1]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [13,13]
  • [8,5,8]
Base
  • 8
  • 5
  • 8
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":13}
  • {"r":2,"c":0,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [9, 8] → [4, _, _]

Show answer

Answer: Row3[2]=5, Row3[3]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [9,8]
  • [4,5,3]
Base
  • 4
  • 5
  • 3
TopValue
17
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [_, 10] → [5, _, 3]

Show answer

Answer: Row2[1]=12, Row3[2]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [5,7,3]
Base
  • 5
  • 7
  • 3
TopValue
22
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [5, 13] → [_, 3, _]

Show answer

Answer: Row3[3]=10, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [5,13]
  • [2,3,10]
Base
  • 2
  • 3
  • 10
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":10}
  • {"r":2,"c":0,"v":2}