starter Set 94 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, 15] → [_, 7, 8]

Show answer

Answer: Row3[1]=3, Row2[1]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [10,15]
  • [3,7,8]
Base
  • 3
  • 7
  • 8
TopValue
25
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":1,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [_, 11] → [_, 6, 5]

Show answer

Answer: Row3[1]=10, Row2[1]=16

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [16,11]
  • [10,6,5]
Base
  • 10
  • 6
  • 5
TopValue
27
HiddenCells
  • {"r":2,"c":0,"v":10}
  • {"r":1,"c":0,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [29] → [12, _] → [_, 8, 9]

Show answer

Answer: Row2[2]=17, Row3[1]=4

SubType
number-pyramid
Difficulty
starter
Levels
  • [29]
  • [12,17]
  • [4,8,9]
Base
  • 4
  • 8
  • 9
TopValue
29
HiddenCells
  • {"r":1,"c":1,"v":17}
  • {"r":2,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, _] → [7, 7, 4]

Show answer

Answer: Row1[1]=25, Row2[2]=11

SubType
number-pyramid
Difficulty
starter
Levels
  • [25]
  • [14,11]
  • [7,7,4]
Base
  • 7
  • 7
  • 4
TopValue
25
HiddenCells
  • {"r":0,"c":0,"v":25}
  • {"r":1,"c":1,"v":11}