Let's solve each problem step by step:
---
Problem 1:
Ellen had 2,080 Legos, but she lost 17 Legos. How many Legos does she have now?
-
Step 1: Start with the total number of Legos Ellen originally had: 2,080.
-
Step 2: Subtract the number of Legos she lost: 17.
-
Calculation:
\[
2,080 - 17 = 2,063
\]
-
Answer: Ellen has
2,063 Legos now.
---
Problem 2:
Arthur baked 115 muffins. James baked 12 times as many. How many muffins did James bake?
-
Step 1: Arthur baked 115 muffins.
-
Step 2: James baked 12 times as many as Arthur.
-
Calculation:
\[
115 \times 12 = 1,380
\]
-
Answer: James baked
1,380 muffins.
---
Problem 3:
There are 14,240 books in a library. They are arranged on shelves that hold 8 books each. How many shelves are in the library?
-
Step 1: The total number of books is 14,240.
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Step 2: Each shelf holds 8 books.
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Step 3: To find the number of shelves, divide the total number of books by the number of books per shelf.
-
Calculation:
\[
14,240 \div 8 = 1,780
\]
-
Answer: There are
1,780 shelves in the library.
---
Problem 4:
Willy has 1,850 crayons. Lucy has 739 crayons. How many more crayons does Willy have than Lucy?
-
Step 1: Willy has 1,850 crayons.
-
Step 2: Lucy has 739 crayons.
-
Step 3: To find how many more crayons Willy has, subtract the number of crayons Lucy has from the number of crayons Willy has.
-
Calculation:
\[
1,850 - 739 = 1,111
\]
-
Answer: Willy has
1,111 more crayons than Lucy.
---
Problem 5:
Brad has 10,000 balloons. 626 of them are red and the rest are green. How many green balloons does Brad have?
-
Step 1: Brad has a total of 10,000 balloons.
-
Step 2: Out of these, 626 are red.
-
Step 3: To find the number of green balloons, subtract the number of red balloons from the total number of balloons.
-
Calculation:
\[
10,000 - 626 = 9,374
\]
-
Answer: Brad has
9,374 green balloons.
---
Final Answers:
1.
2,063 Legos
2.
1,380 muffins
3.
1,780 shelves
4.
1,111 more crayons
5.
9,374 green balloons
\boxed{2063, 1380, 1780, 1111, 9374}
Parent Tip: Review the logic above to help your child master the concept of printable grade 4 math problem.
