starter Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [5, 7] → [_, 3, 4]

Show answer

Answer: Row1[1]=12, Row3[1]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [12]
  • [5,7]
  • [2,3,4]
Base
  • 2
  • 3
  • 4
TopValue
12
HiddenCells
  • {"r":0,"c":0,"v":12}
  • {"r":2,"c":0,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [3, 7, 8]

Show answer

Answer: Row2[1]=10, Row1[1]=25

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [3,7,8]
Base
  • 3
  • 7
  • 8
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":10}
  • {"r":0,"c":0,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [17] → [8, _] → [_, 5, 4]

Show answer

Answer: Row2[2]=9, Row3[1]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [8,9]
  • [3,5,4]
Base
  • 3
  • 5
  • 4
TopValue
17
HiddenCells
  • {"r":1,"c":1,"v":9}
  • {"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): [_] → [10, 5] → [_, 4, 1]

Show answer

Answer: Row3[1]=6, Row1[1]=15

SubType
number-pyramid
Difficulty
starter
Levels
  • [15]
  • [10,5]
  • [6,4,1]
Base
  • 6
  • 4
  • 1
TopValue
15
HiddenCells
  • {"r":2,"c":0,"v":6}
  • {"r":0,"c":0,"v":15}