Problem Analysis:
The provided document contains
8 subtraction word problems. Each problem involves determining how much or how many of something was taken away, given the initial and final amounts. We will solve each problem step by step.
---
Problem 1:
Marko had 42 cards. Then he mailed some cards. Now he has 26 cards. How many cards did Marko mail?
-
Initial amount of cards: 42
-
Final amount of cards: 26
-
Cards mailed = Initial amount - Final amount
\[
42 - 26 = 16
\]
Answer: Marko mailed
16 cards.
---
Problem 2:
Tamika donated 42 books. Now she has 26 books. How many books did Tamika have in the beginning?
-
Books donated: 42
-
Final amount of books: 26
-
Initial amount = Books donated + Final amount
\[
42 + 26 = 68
\]
Answer: Tamika had
68 books in the beginning.
---
Problem 3:
Barbara had 75 cents. Then she spent 27 cents. How many cents does Barbara have now?
-
Initial amount of cents: 75
-
Amount spent: 27
-
Remaining cents = Initial amount - Amount spent
\[
75 - 27 = 48
\]
Answer: Barbara has
48 cents now.
---
Problem 4:
Barke had 75 stamps. Then he gave some stamps to Joey. Now he has 27 stamps. How many stamps did Barke give away?
-
Initial amount of stamps: 75
-
Final amount of stamps: 27
-
Stamps given away = Initial amount - Final amount
\[
75 - 27 = 48
\]
Answer: Barke gave away
48 stamps.
---
Problem 5:
Rafiki has sixty-three baseball cards. He gave fourteen baseball cards to Amie. How many baseball cards does Rafiki have left?
-
Initial amount of baseball cards: 63
-
Amount given to Amie: 14
-
Remaining cards = Initial amount - Amount given
\[
63 - 14 = 49
\]
Answer: Rafiki has
49 baseball cards left.
---
Problem 6:
Mrs. Rushberg had a package of lined cards. She used seventy-five cards in class last week. She has forty-seven cards left. How many cards were in the package before last week?
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Cards used: 75
-
Remaining cards: 47
-
Initial amount = Cards used + Remaining cards
\[
75 + 47 = 122
\]
Answer: There were
122 cards in the package before last week.
---
Problem 7:
Marrisa had 42 pebbles. She threw some into the lake. Then she had 27 pebbles left. How many pebbles did Marrisa throw into the lake?
-
Initial amount of pebbles: 42
-
Final amount of pebbles: 27
-
Pebbles thrown = Initial amount - Final amount
\[
42 - 27 = 15
\]
Answer: Marrisa threw
15 pebbles into the lake.
---
Problem 8:
Dennis had a bag of pebbles. He put 17 pebbles on the ground. Then there were 46 pebbles left in the bag. How many pebbles were in the bag before Dennis took some out?
-
Pebbles put on the ground: 17
-
Remaining pebbles in the bag: 46
-
Initial amount = Pebbles put on the ground + Remaining pebbles
\[
17 + 46 = 63
\]
Answer: There were
63 pebbles in the bag before Dennis took some out.
---
Final Answers:
1.
16 cards
2.
68 books
3.
48 cents
4.
48 stamps
5.
49 baseball cards
6.
122 cards
7.
15 pebbles
8.
63 pebbles
Boxed Final Answer:
\[
\boxed{16, 68, 48, 48, 49, 122, 15, 63}
\]
Parent Tip: Review the logic above to help your child master the concept of addition subtraction word problems worksheet.
