|
Practice Page
Mathematical
Relationships |
|
|
 |
|
|
|
Remember:
-
Subtraction is the
opposite of addition.
-
Addition and
subtraction
fact families have
2 addition problems and 2 subtraction problems.
-
You can use a
hundred chart to
add and
subtract.
|
Write the subtraction number
sentences to complete the fact families on a piece of paper. Then click
on the drop down arrow to check your answer.
|
2 + 4 = 6
4 + 2 = 6
|
3 + 6 = 9
6 + 3 = 9
|
5
+ 7 = 12
7 + 5 = 12
|
8 + 7= 15
7 + 8 = 15
|
Use the hundred chart
to add and subtract. Then click the down arrows to check your answers.
Remember:
When you count
down 1 square you add 10.
When you count
up 1 square you subtract 10.
When you count
one square to the right you add 1.
When you count
one square to the left you
subtract 1.
|
1
|
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
|
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
|
31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
40 |
|
41 |
42 |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
|
51 |
52 |
53 |
54 |
55 |
56 |
57 |
58 |
59 |
60 |
|
61 |
62 |
63 |
64 |
65 |
66 |
67 |
68 |
69 |
70 |
|
71 |
72 |
73 |
74 |
75 |
76 |
77 |
78 |
79 |
80 |
|
81 |
82 |
83 |
84 |
85 |
86 |
87 |
88 |
89 |
90 |
|
91 |
92 |
93 |
94 |
95 |
96 |
97 |
98 |
99 |
100 |
|
64 + 3 =
48 + 10 =
27- 4 =
74 - 10 =
|
Copyright ©
2001-2011
Oswego City School District
Elementary Test Prep
Center
Studyzone.org
|
