Problem Set:

1. Tara had 37 red pens. She gave Jim 8 of her red pens. How many red pens does Tara have now?

2. Betsy gave Shawn 8 red pens. Now he has 11 red pens.How many red pens did Shawn have before?

3. Jen has 7 blue pens. Then she buys 18 more blue pens.How many blue pens does Jen have now?

                                                                        

4. Mrs. Baca’s class has 14 fewer students than Mr. Cole’s class. Mr. Cole’s class has 31 students.

Find the number of students in Mrs. Baca’s class.

5. David’s book has 26 more pages than Elam’s book. There are 48 pages in David’s book.

Find the number of pages in Elam’s book.

                                                                        

1. Tara had 37 red pens. She gave Jim 8 of her red pens.

How many red pens does Tara have now? 29 red pens

2. Betsy gave Shawn 8 red pens. Now he has 11 red pens.

How many red pens did Shawn have before? 3 red pens

3. Jen has 7 blue pens. Then she buys 18 more blue pens.

How many blue pens does Jen have now? 25 blue pens

*Modified Problem Set from achievethecore.com 

37 Red Pens ?

-8 Red Pens37 Red Pens

-8 Red Pens?

11 Red Pens ??+8 Red Pens

Smaller Sets

7 Blue Pens

18 Blue Pens

? 7 Blue Pens

?

+18 Blue Pens

+8 Red Pens 11 Red Pens

4. Mrs. Baca’s class has 14 fewer students than Mr. Cole’s class. Mr. Cole’s class has 31 students. 17 Students

Find the number of students in Mrs. Baca’s class.

5. David’s book has 26 more pages than Elam’s book. There are 48 pages in David’s book. 22 pages

Find the number of pages in Elam’s book.

*Modified Problem Set from achievethecore.com 

Mrs. Baca Mr. Cole

? +14 Students 31 Students?31 StudentsCole

Baca D+14 Students

David’s Elam’s

48 pp. -26 pp. ??

48 PagesDavid

Elam D+26 pages