starter Set 96 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, _] → [_, 8, 4]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [7,8,4]
Base
  • 7
  • 8
  • 4
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [_, 7] → [_, 4, 3]

Show answer

Answer: Row2[1]=11, Row3[1]=7

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [11,7]
  • [7,4,3]
Base
  • 7
  • 4
  • 3
TopValue
18
HiddenCells
  • {"r":1,"c":0,"v":11}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [10] → [3, _] → [1, _, 5]

Show answer

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

SubType
number-pyramid
Difficulty
starter
Levels
  • [10]
  • [3,7]
  • [1,2,5]
Base
  • 1
  • 2
  • 5
TopValue
10
HiddenCells
  • {"r":2,"c":1,"v":2}
  • {"r":1,"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): [16] → [8, 8] → [_, _, 3]

Show answer

Answer: Row3[1]=3, Row3[2]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [16]
  • [8,8]
  • [3,5,3]
Base
  • 3
  • 5
  • 3
TopValue
16
HiddenCells
  • {"r":2,"c":0,"v":3}
  • {"r":2,"c":1,"v":5}