# Another Way to Subtract - MHSchool

numbers to subtract. Another Way to Subtract If you take apart a number to make a 10 it is easier to subtract. 13-2 A C ... Subtract. 1. 38...

Multi-Part Lesson

Name

PART

A

B

13-2 C

D

E

Another Way to Subtract Get Ready If you take apart a number to make a 10 it is easier to subtract.

Main Idea I will take apart numbers to subtract.

Check Use Subtract.

and

1. 38 - 27

C13-009A-112051.ai C13-009A-112051.ai

38 -

=

= -

=

Why does it help to break a number apart before subtracting?

Chapter 13 • Lesson 2C

571_574_CH13_L2C_112051.indd 571

2. 64 - 23

64 -

= -

3.

. Take apart the number.

five hundred seventy-one

571

5/20/09 5:25:35 PM

Practice Use Subtract. 4. 36 - 14

and

36 -

=

. Take apart the number.

C13-009A-112051.ai C13-009A-112051.ai

-

75 =

6. 45 - 24

45 -

-

75 =

8. 26 - 15

=

= -

=

9. 98 - 27

=

= -

=

10. 28 - 16

28 -

= -

572

=

98 -

= -

=

7. 75 - 53

=

26 -

5. 75 - 21

five hundred seventy-two

571_574_CH13_L2C_112051.indd 572

5/20/09 5:25:39 PM

Name Use Subtract. 11. 47 - 24

and

47 -

=

. Take apart the numbers.

C13-009A-112051.ai C13-009A-112051.ai

-

68 -

-

79 -

= -

=

15. 36 - 36

=

14. 79 - 45

=

36 -

= -

=

13. 29 - 14

29 -

12. 68 - 47

=

16. 37 - 15

37 -

= -

=

= -

=

17. 59 - 38

59 -

= -

Chapter 13 • Lesson 2C

571_574_CH13_L2C_112051.indd 573

= five hundred seventy-three

573

5/20/09 5:25:42 PM

Solve. 18. There were 96 leaves on the tree. 63 leaves fell off of the tree. How many leaves are left on the tree? -

-

= =

leaves

19. The bowl held 89 pieces of popcorn. Sid ate 48 pieces. How many pieces of popcorn are left? -

= =

20.

pieces of popcorn

How do you take apart a two-digit number?

574

five hundred seventy-four

571_574_CH13_L2C_112051.indd 574