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TOÁN Tiếng Anh Lớp 1

Skills I

Exercise Book

Topics
:
Addition up to 100
Subtraction within 100
Regrouping and Number bonds
Addition color by number activity
Addition crossword and word search activity
Missing addends activity sheet
Funny Face images


Addition and Subtraction up to 100
Addition and subtraction are arguably the most important math
topics for every first grade mathematics student.
The memorization of number bonds and the ‘ feeling’ with
numbers come with the ability to add and subtract numbers
without to much thinking.

Math topics in future school years all elaborate on these
important skills. It might be true that endless pages of number
crunching materials seem to have no meaning to students, but
these skills are so important that we advice every teacher, parent
or student to print this booklet and do all pages! The result will
be ta lot of confidence in math!
This booklet comes with answers and is made for students from
all levels. For the weaker and the stronger! It’s just like a video game;
the more you practice, the better you get!
This booklet is part of our Math in English Skills Series which is
based on core math topics underlying the application of math!
These workbooks, including answers, are free and downloadable
from our website.


Addition and
Calculate
12
+ 9

33
+ 18

24
+ 17

72
+ 9

46
+ 25

17
+ 34

78
+ 13

26
+ 25



20
+ 41

14
+ 47

33
+ 28

44
+ 47

15
+ 76

41
+ 20

19
+ 22

32
+ 9

43
+ 8

54
+ 17

88
+ 3

72
+ 19

65
+ 16

45
+ 26

43
+ 18

87
+ 4

23
+ 48

55
+ 36

Page 1


Calculate
21
- 10

43
- 12

56
78
- 25

35
- 14

40
- 19
7

77
- 36

23
- 12

84
- 23

90
- 49

64
- 33

33
- 22

54
- 23

75
- 14

41
- 20

89
- 28

30
- 9

43
- 12

54
- 3

88
- 47

72
- 11

65

46

53

87

90


- 14

- 25

- 12

- 6

- 29


Calculate
13
+ 9

44
+ 18

24
+ 18

52
+ 10

41
+ 21

16
+ 36

73
+ 19

26
+ 26

27
+ 45

18
+ 44

34
+ 28

44
+ 48

15
+ 77

42
+ 20

19
+ 23

30
+ 22

43
+ 29

54
+ 18

25
+ 37

72
+ 20

55
+ 17

44
+ 28

41
+ 11

87
+ 5

23
+ 49

53
+ 39


Calculate
21
- 8

81
- 18

35
- 12

78
- 5

61
- 18

77
- 34

23
- 10

84
- 21

90
- 47

64
- 31

32
- 29

54
- 21

75
- 12

41
- 18

89
- 26

31
- 8

43
- 20

54
- 1

88
- 45

72
- 19

65
- 12

46
- 23

53
- 10

87
- 4

90
- 27

56
- 23


Time to have some fun now and solve this crossword puzzle!

Across
1.
3.
6.
8.
10.
12.
14.

25 + 48
46 + 16
69 + 15
18 + 56
14 + 5
39 + 17
29 + 17

Down
16. 18 + 18
19.
7 + 18
21. 25 + 50
23.
9 + 77
25. 14 + 31
27. 28 + 21
28. 12 + 25

2.
4.
5.
7.
9.
11.
13.

15 + 23
8 + 19
53 + 18
28 + 17
25 + 15
87 + 7
56 + 7

15.
17.
18.
20.
22.
24.
26.

24 + 38
8 + 59
12 + 26
5 + 49
12 + 46
29 + 35
37 + 16


Calculate
45
+ 9

33
+ 11

27
+ 17

72
+ 12

46
+ 28

37
+ 37

78
+ 16

26
+ 28

23
+ 41

14
+ 40

33
+ 21

47
+ 47

15
+ 79

41
+ 23

52
+ 32

42
+ 22

43
+ 11

54
+ 10

88
+ 6

72
+ 12

58
+ 16

45
+ 29

43
+ 11

87
+ 7

26
+ 48

55
+ 19


Calculate
41
- 17

43
- 29

35
- 11

78
- 4

40
- 16

67
- 33

83
- 19

84
- 20

90
- 46

62
- 38

43
- 29

54
- 20

75
- 11

41
- 27

89
- 25

50
- 6

63
- 29

54
- 20

88
- 44

72
- 18

45
- 11

46
- 22

53
- 19

87
- 3

90
- 26

66
- 22


Calculate
16
+ 9

40
+ 15

24
+ 11

52
+ 13

44
+ 31

24
+ 31

73
+ 12

26
+ 29

27
+ 48

18
+ 47

37
+ 28

44
+ 41

15
+ 60

43
+ 22

19
+ 26

70
+ 15

49
+ 26

56
+ 19

25
+ 30

72
+ 23

48
+ 17

44
+ 21

41
+ 14

87
+ 8

23
+ 42

56
+ 39


Calculate
42
- 6

81
- 15

35
- 19

78
- 2

61
- 15

77
- 31

40
- 14

84
- 28

90
- 44

64
- 39

32
- 26

54
- 28

75
- 19

41
- 15

89
- 23

31
- 5

43
- 27

54
- 18

88
- 42

72
- 16

65
- 19

44
- 28

53
- 17

87
- 1

90
- 24

56
- 20


Use your addition and subtraction skills to calculate the clues and find the
answers in this word search!

O

X

E

F

P

D

S

M

J

B

S

W S

I

I

O

M

B

I

I

I

W C

P

S

X

T

C

G F

Z

W Q N

X

T

A

V

R

T

J

Y

Z

H T

Z

V

K

T

Y

T

F

K

I

H

T

T

A

T

Y

W N

E

T

G O

Y

L

T

H

H

N

P

Y

S

Q

E

R

U

R

N

F

N H

G

E

Z

E

I

N

I

Y

T

H G

I

E

O

I

V

W I

X

H

K

Y

N

I

D

Z

V

H U

E

E

S

G T

E

E

S

T

K

X

G

A

C

X

R

S

Y

H N

I

R

U

O

F

Y

T

N

E

W T

X

R

T

G N

I

N

E

T

Y

S

I

X R

G

H

H R D

R

G

V

A

W K

M X

Y

T

G Z

O

D

H

X

B

A

S

P

V D

H

S

F

B J

J

F

Z

X

Y

L

H

J

F

R

V

H

D

A N

J

W G

W N Z

S

P

H B

M

20 + 20
28 + 28
24 + 24
4+ 4

Copyright: Math in

V

16 + 16
8 + 8
12 + 12
48 + 48

O H M

I

T

H

V
I

32 + 32
40 + 40
44 + 44
36 + 36

Page 10


Calculate
35
+ 21

33
+ 13

27
+ 19

72
+ 14

46
+ 20

37
+ 39

78
+ 18

26
+ 20

23
+ 43

14
+ 42

33
+ 23

47
+ 49

15
+ 71

41
+ 25

54
+ 32

42
+ 24

43
+ 13

54
+ 12

88
+ 8

72
+ 14

58
+ 18

45
+ 21

43

+ 13

87

+

58
+ 18

Page 11


9

26

+ 40

Page 12


Calculate
82
- 25

43
- 26

35
- 18

78
- 1

40
- 13

67
- 30

83
- 16

87
- 20

90
- 43

62
- 35

43
- 26

64
- 17

75
- 18

44
- 27

89
- 22

52
- 5

60
- 23

54
- 27

88
- 41

72
- 15

45
- 18

46
- 29

53
- 16

87
- 20

90
- 23

66
- 29


Calculate
88
+ 9

40
+ 17

24
+ 13

52
+ 15

44
+ 33

24
+ 33

73
+ 14

26
+ 21

27
+ 40

18
+ 49

37
+ 20

44
+ 43

15
+ 62

43
+ 24

19
+ 28

70
+ 17

49
+ 28

56
+ 11

25
+ 32

72
+ 25

48
+ 19

44
+ 23

43
+ 14

89
+ 8

23
+ 44

56
+ 31


Calculate
76
- 8

81
- 13

35
- 17

78
- 30

61
- 23

77
- 39

40
- 12

84
- 26

90
- 42

64
- 36

32
- 24

54
- 26

75
- 17

41
- 13

89
- 21

31
- 3

43
- 25

54
- 16

88
- 40

72
- 14

65
- 17

44
- 26

53
- 15

87
- 9

90
- 22

56
- 18


Color by number fun with addition and subtraction!

17

25
44
11

11

17

7
11

7

20

17

11

12

7

11

11

59

44

25

32

32

32

32
44
12

100 - 88 green
100 - 75 red
100 - 68 white
100 - 56 pink

100 - 83 yellow
100 - 41 dark green
100 - 89 orange
100 - 80 purple


Calculate
55
+ 44

33
+ 16

27
+ 12

72
+ 17

46
+ 23

37
+ 32

78
+ 11

26
+ 23

20
+ 49

14
+ 45

36
+ 23

47
+ 42

15
+ 74

41
+ 28

44
+ 35

42
+ 27

43
+ 16

54
+ 15

68
+ 21

72
+ 17

57
+ 12

45
+ 24

43
+ 16

87
+ 2

26
+ 43

58
+ 11


Calculate
35
- 16

43
- 24

35
- 16

78
- 9

40
- 11

67
- 38

83
- 14

87
- 28

90
- 41

62
- 33

43
- 24

64
- 15

75
- 16

44
- 25

89
- 20

52
- 3

60
- 21

54
- 25

88
- 49

72
- 13

45
- 16

46
- 27

53
- 14

87
- 28

90
- 21

66
- 27


Copyright: Math in English

Addition and SubtracPatgioe n1

Calculate
11
+ 9

12
+ 8

14
+ 6

12
+ 18

14
+ 16

24
+ 16

23
+ 17

26
+ 14

27
+ 13

18
+ 22

37
+ 13

24
+ 26

15
+ 35

33
+ 17

19
+ 31

39
+ 21

49
+ 11

46
+ 14

25
+ 35

42
+ 18

48
+ 22

44
+ 27

43
+ 27

62
+ 8

23
+ 47

16
+ 14

Page 18


Addition and
Calculate
76
- 4

81
- 14

35
- 18

78
- 33

62
- 23

76
- 39

50
- 12

84
- 27

80
- 42

54
- 26

32
- 26

74
- 26

75
- 27

41
- 14

69
- 21

41
- 9

43
- 26

54
- 15

86
- 30

72
- 15

65
- 17

44
- 15

53
- 14

86
- 9

90
- 32

55
- 18


Can you fill in the missing addends?
(1) 12
+

= 17

(2) 45
+

= 53

(3) 8 +

= 13

(4) 11
+

= 20

(5) 23
+

= 27

(12) 17
+

= 25

(6) 16
+

= 22

(13) 15
+

= 24

(7) 16
+

= 19

(14) 14
+

= 23

(8) 10
+

= 17

(15) 25
+

= 34

(9) 22
+

= 31

(16) 32
+

= 40

(10 29
) +

= 36

(17) 17
+

= 23

(11) 11
+

= 17

(18) 12
+

= 17

Answers page 1

Copyright: Math in

Answers page 2

Page 20


Calculate

Calculate

12
+ 9
21

33
+ 18
51

24
+ 17
41

21
- 10
11

43
- 12
31

35
- 14
21

55
+ 36
91

72
+ 9
81

46
+ 25
81

56
- 25
31

78
- 7
71

40
- 19
21

17
+ 34
51

78
+ 13
91

26
+ 25
51

20
+ 41
61

14
+ 47
61

77
- 36
41

23
- 12
11

84
- 23
61

90
- 49
41

64
- 33
31

33
+ 28
61

44
+ 47
91

15
+ 76
91

41
+ 20
61

19
+ 22
41

33
- 22
11

54
- 23
31

75
- 14
61

41
- 20
21

89
- 28
61

32
+ 9
41

43
+ 8
51

54
+ 17
71

88
+ 3
91

72
+ 19
91

30
- 9
21

43
- 12
31

54
- 3
51

88
- 47
41

72
- 11
61

65
+ 16
81

45
+ 26
71

43
+ 18
61

87
+ 4
91

23
+ 48
71

65
- 14
51

46
- 25
21

53
- 12
41

87
- 6
81

90
- 29
61

Copyright: Math
in

Page 1

English

Copyright: Math
in

Page 2

English

Answers page 3

Answers page 4

Calculate

Calculate

13
+ 9
22

44
+ 18
62

24
+ 18
42

21
- 8
13

81
- 18
63

35
- 12
23

53
+ 39
92

52
+ 10
62

41
+ 21
62

56
- 23
33

78
- 5
73

61
- 18
43

16
+ 36
52

73
+ 19
92

26
+ 26
52

27
+ 45
72

18
+ 44
62

77
- 34
43

23
- 10
13

84
- 21
63

90
- 47
43

64
- 31
33

34
+ 28
62

44
+ 48
92

15
+ 77
92

42
+ 20
62

19
+ 23
42

32
- 29
3

54
- 21
33

75
- 12
63

41
- 18
23

89
- 26
63

30
+ 22
52

43
+ 29
72

54
+ 18
72

25
+ 37
62

72
+ 20
92

31
- 8
23

43
- 20
23

54
- 1
53

88
- 45
43

72
- 19
53

Copyright: Math in

Page 20


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