starter Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 13] → [3, _, 10]

Show answer

Answer: Row1[1]=19, Row3[2]=3

SubType
number-pyramid
Difficulty
starter
Levels
  • [19]
  • [6,13]
  • [3,3,10]
Base
  • 3
  • 3
  • 10
TopValue
19
HiddenCells
  • {"r":0,"c":0,"v":19}
  • {"r":2,"c":1,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [5, 1, 10]

Show answer

Answer: Row2[1]=6, Row1[1]=17

SubType
number-pyramid
Difficulty
starter
Levels
  • [17]
  • [6,11]
  • [5,1,10]
Base
  • 5
  • 1
  • 10
TopValue
17
HiddenCells
  • {"r":1,"c":0,"v":6}
  • {"r":0,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [23] → [14, 9] → [_, 7, _]

Show answer

Answer: Row3[1]=7, Row3[3]=2

SubType
number-pyramid
Difficulty
starter
Levels
  • [23]
  • [14,9]
  • [7,7,2]
Base
  • 7
  • 7
  • 2
TopValue
23
HiddenCells
  • {"r":2,"c":0,"v":7}
  • {"r":2,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [27] → [15, _] → [_, 10, 2]

Show answer

Answer: Row2[2]=12, Row3[1]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [27]
  • [15,12]
  • [5,10,2]
Base
  • 5
  • 10
  • 2
TopValue
27
HiddenCells
  • {"r":1,"c":1,"v":12}
  • {"r":2,"c":0,"v":5}