starter Set 95 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, _] → [4, 1, 4]

Show answer

Answer: Row1[1]=10, Row2[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [5,5]
  • [4,1,4]
Base
  • 4
  • 1
  • 4
TopValue
10
HiddenCells
  • {"r":0,"c":0,"v":10}
  • {"r":1,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 19] → [_, 9, 10]

Show answer

Answer: Row2[1]=12, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [31]
  • [12,19]
  • [3,9,10]
Base
  • 3
  • 9
  • 10
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":12}
  • {"r":2,"c":0,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [12, _] → [8, 4, _]

Show answer

Answer: Row2[2]=13, Row3[3]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [12,13]
  • [8,4,9]
Base
  • 8
  • 4
  • 9
TopValue
25
HiddenCells
  • {"r":1,"c":1,"v":13}
  • {"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): [_] → [_, 3] → [8, 1, 2]

Show answer

Answer: Row1[1]=12, Row2[1]=9

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [9,3]
  • [8,1,2]
Base
  • 8
  • 1
  • 2
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"r":1,"c":0,"v":9}