Hundreds/Tens/Ones
Addition
Subtraction
+10 -10 +100 -100
Word Problem
10

How many ones are there in the number 15?

5 ones

10

16+14= 

30

10

18-5=

13

10

12+10=

22

10

Gabriel has 14 cookies. He gives his brother 3 cookies. How many cookies does he have left?

Gabriel has 11 cookies left. 

20

How many tens are in 47?

4 tens

20

25+ 17= 

42

20

27-6=

21

20

35-10=

25

20
Jariel has 7 Pokemon cards. Jamil has 3 Pokemon cards. Jael has 6 Pokemon cards. How many cards do they have altogether?

They have 16 cards. 

30

How many hundreds are in 371?

3 hundreds

30

48+27= 

75

30

48-13=

35

30

147+10=

157

30

Levi's sister has 8 markers. Levi has 17 markers. How many more markers does Levi have than his sister?

Levi has 9 more markers. 

40

How many tens are in 264?

6 tens or 26 tens

40

123+25= 

148

40

84-26= 

58

40

245+100=

345

40

There are 38 birds sitting on a tree. 13 birds fly away. How many birds are left on the tree?

There are 25 birds left.

50

How many ones are in 498?

9 ones

50

244+38= 

282
50

135-42=

93

50

684-100=

584

50

Ms. Garcia has 15 crayons. She gets some more and now she has 47 crayons. How many crayons did Ms. Garcia get?

Ms. Garcia got 32 crayons.