Learning Resources MathShark Manual descargar pdf (Pagina 14)

12

Subtract to find the missing subtrahend.

Add to find the missing minuend.

5

–2

10

– 8

98

– 7

42

– 7

71

– 8

364

– 123

97

– 26

55

– 1

8

–8

7

–5

8

–4

6

–2

16 – 8 =

13 – 8 =

5 – 3 =

25 – 4 =

654 – 13 =

837 – 26 =

67 – 6 =

43 – 9 =

92 – 58 =

78 – 39 =

? – 71 = 28

79 – ? = 23

75 – 7 =

9 – 2 =

Remind players to determine the answer “mentally”

and enter the complete answer from left to right.

170

– 27

141

– 16

SUBTRACT

Level 1

Basic subtraction facts 0–9 in

sequential order. Player selects

number to drill.

Level 2

Basic subtraction facts 0–9 in

non-sequential order. Player

selects number to drill.

Level 3

Basic subtraction facts 0–9 in

non-sequential order. Drill

numbers are randomly mixed.

Level 4

Subtract 1-digit numbers from

2-digit numbers without

regrouping.

Level 5

Subtract 2-digit numbers from

2- and 3-digit numbers without

regrouping.

Level 6

Subtract 1-digit numbers from

2-digit numbers with regrouping.

Level 7

Subtract 2-digit numbers from

2-digit and 3-digit numbers with

regrouping.

Level 8

Introduces the pre-algebra concept

of finding the missing number in

subtraction problems.

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