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): [24] → [_, _] → [5, 7, 5]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [24]
  • [12,12]
  • [5,7,5]
Base
  • 5
  • 7
  • 5
TopValue
24
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":1,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [14] → [11, _] → [9, 2, _]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [14]
  • [11,3]
  • [9,2,1]
Base
  • 9
  • 2
  • 1
TopValue
14
HiddenCells
  • {"r":1,"c":1,"v":3}
  • {"r":2,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [20] → [_, 14] → [_, 5, 9]

Show answer

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

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [_, 15] → [_, 6, 9]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [11,15]
  • [5,6,9]
Base
  • 5
  • 6
  • 9
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":0,"v":5}