Learning Resources MathShark Manuel Page 14

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Vue de la page 13
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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