10. Bella buys a rubber.
Bella has pence.
The rubber costs pence.
Bella gets pence change.

12. Rob has 4 more cherries than John. John has 5 cherries.
How many cherries does Rob have?
Mastery Assessment, Y1 (adapted)

16. Quantity Recognition
Base-5/Base-10
Number as length

19. How many dots?

21. How many dots?

23. How many dots?

25. How many dots?

27. How many dots?

33. Quantity Recognition
Base-5/Base-10
Number as length

34. Quantity Recognition
Base-5/Base-10
Number as length

36. Quantity Recognition
Base-5/Base-10
Number as length

40. Quantity Recognition Base-5/Base-10 Number as length 10 1 5 6 7 8 9 410 1 5 6 7 8 9 4 3 2

41. Quantity Recognition
Base-5/Base-10
Number as length 3 10

42. 10 9 8 7 6 5 4 3 2 1

43. 10

44. 10 5

45. 10 5 3

46. Spot the mistake 10 9 8 7 5 6 4 3 2 1

47. Spot the mistake 10 9 8 7 6 5 4 3 2 1

54. 29 35 84

55. 29 35 84

61. Pre-teaching
Spaced Practice
Reasoning at point of answer
Plenary takeaway

62. Skill breakdown: 7+5, border 10
Know 7+5 is more than 10
7 + ___ = 10
Split 5 into 3 and 2
= 12
Coordinate calculations

63. Skill breakdown: 7+5, border 10
7 + ___ = 10
Split 5 into 3 and 2

64. Skill breakdown: 7+5, border 10
Know 7+5 is more than 10
8+3
6+3
7+3
7+2
7+5

65. Skill breakdown: 7+5, border 10

72. 9 – –

73. Count back
Difference (count up)
Two parts in a whole

74. Difference (count up)

75. Two parts in a whole

76. Count back
Difference (count up)
Two parts in a whole

93. Planning around ‘big ideas’ - shape
‘Visual-spatial working memory plays a critical role in mathematics learning and achievement.’
Paying Attention to Spatial Reasoning, 2014