*Second Grade Word Problems*

Word Problems with the answer as the unknown

Word Problems with the start as the unknown

Word Problems with the change as the unknown

Fact Families

Inverse Operation

100

Madison had 38 crayons in her box. Her best friend gave her 24 more. How many crayons does she have now?

100

Ashley has some cookies. She eats 23 cookies. If she has 35 cookies now, how many cookies do they have all together?

Equation with symbol:

Equation solved:

Symbol represents:

x-23=35

58-23=35

x=58

100

Tom has 42 toy cars. For his birthday he gets some more as gifts. Now he has 70 cars. How many toy cars did Tom earn for his birthday?

Equation with symbol:

Equation solved:

Symbol represents:

42+x=70

42+28=70

x=28

100

2, 5, 7

___ + ___ = ___

___ - ___ = ___

2 + 5 = 7

5 + 2 = 7

7 - 2 = 5

7 - 5 = 2

100

13 - 7 = 6

*do both inverse operation equations

7 + 6 = 13

6 + 7 = 13

200

Miss Ferreira's class read 62 books. Mr. MacKenzie's class read 54 books. Mrs. B's class read 50 books. How many books did the second grade read all together?

166

200

Dr. Prout has some blue fish in the tank and 51 yellow fish. If she has 76 fish in all, how many blue fish does she have?

Equation with symbol:

Equation solved:

Symbol represents:

x+51=76

25+51=76

x=25

200

Mrs. Mumm bought 84 pencils. She passed out some of them. Now she has 37. How many pencils did she pass out?

Equation with a symbol:

Equation solved:

Symbol represents:

84-x=37

84-47=37

x=47

200

4, 7, 11

___ + ___ = ___

___ - ___ = ___

4 + 7 = 11

7 + 4 = 11

11 - 4 = 7

11 - 7 - 4

200

15 + 7 = 22

*do both inverse operation equations

22 - 15 = 7

22 - 7 = 15

300

Evan has 89 summer reading books. Dina has 75 summer reading books. How many summer reading books do they have all together?

164

300

George has some baseball cards. Frank gave him 38 more baseball cards. Now he has 98 cards. How many baseball cards did George have to start with?

Equation with symbol:

Equation solved:

Symbol represents:

x+38=98

60+38=98

x=60

300

Emily had 14 silly bands. Her friend gave her some more silly bands. Now she has 26 silly bands. How many silly bands did her friend give her?

Equation with a symbol:

Equation solved:

Symbol represents:

14+x=26

14+12=26

x=12

300

15, 8, 23

___ + ___ = ___

___ - ___ = ___

15 + 8 = 23

8 + 15 = 23

23 - 8 = 15

23 - 15 = 8

300

30 - 12 = 18

*do both inverse operation equations

12 + 18 = 30

18 + 12 = 30

400

There are some birds in a tree. Then 13 more birds flew into the tree. Now there are 21 birds in the tree. Write a number sentence to show this problem.

_____ + 13 = 21

400

Jordan has 57 toy cars. Dina has 23 toy cars. How many MORE toy cars does Jordan have than Dina?

Equation with symbol:

Equation solved:

Symbol represents:

57-23=x

57-23=34

x=34

400

Kim scored 30 points in the first quarter of her basketball game. She scored some more points in the second quarter. If Kim scored 47 points in both quarters, how many points did Kim score in the second quarter?

Equation with a symbol:

Equation solved:

Symbol represents:

30+x=47

30+17=47

x=17

400

25, 19, 6

___ + ___ = ___

___ - ___ = ___

6 + 19 = 25

19 + 6 = 25

25 - 6 = 19

25 - 19 = 6

400

45 + 28 = 73

*do both inverse operation equations

73 - 45 = 28

73 - 28 = 45

500

Yesterday, the Pizza Palace sold 120 sodas. Today it sold 94 sodas. How many fewer sodas did the Pizza Palace sell today than yesterday?

500

Mrs. Strouf has some skittles. She eats 57 of them. If she has 28 left, how many skittles did Mrs. Strouf start with?

Equation with symbol:

Equation solved:

Symbol represents:

x-31=28

59-31=28

x=59

500

Ms. McBride has 36 marbles. She buys some more and now she has 68 marbles. How many marbles did Ms. McBride buy?

Equation with a symbol:

Equation solved:

Symbol represents:

36+x=68

36+32=68

x=32

500

46, 29, 17

___ + ___ = ___

___ - ___ = ___

29 + 17 = 46

17 + 29 = 46

46 - 17 = 29

46 - 29 = 17

500

80 - 47 = 33

*do both inverse operation equations

47 + 33 = 80

33 + 47 = 80