Problem Analysis and Solution:
The worksheet involves solving word problems using multiplication. Let's solve each problem step by step.
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Problem 1:
Question: John bought a blue t-shirt that costs $10. He also bought a white t-shirt that costs 4 times as much as the blue t-shirt. How much did the white t-shirt cost?
Solution:
1. The cost of the blue t-shirt is given as $10.
2. The white t-shirt costs 4 times as much as the blue t-shirt.
3. To find the cost of the white t-shirt, multiply the cost of the blue t-shirt by 4:
\[
\text{Cost of white t-shirt} = 4 \times 10 = 40
\]
Answer: The white t-shirt cost
$40.
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Problem 2:
Question: Yesterday, Peter went to the zoo. Amongst the animals he saw, he estimated the height of the elephant to be 12 feet and that of the giraffe to be 3 times as tall as that of the elephant. What was the height of the giraffe?
Solution:
1. The height of the elephant is given as 12 feet.
2. The height of the giraffe is 3 times the height of the elephant.
3. To find the height of the giraffe, multiply the height of the elephant by 3:
\[
\text{Height of giraffe} = 3 \times 12 = 36
\]
Answer: The height of the giraffe is
36 feet.
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Problem 3:
Question: Yesterday, Ethel collected 24 seashells. Her brother Charles collected 2 times as many seashells as Ethel. How many seashells did Charles collect?
Solution:
1. The number of seashells Ethel collected is given as 24.
2. Charles collected 2 times as many seashells as Ethel.
3. To find the number of seashells Charles collected, multiply the number of seashells Ethel collected by 2:
\[
\text{Seashells collected by Charles} = 2 \times 24 = 48
\]
Answer: Charles collected
48 seashells.
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Problem 4:
Question: Matthew works in his father’s store. Yesterday, he offloaded 17 boxes of Doritos chips from a delivery van. He also offloaded 4 times as many boxes of Pringles as boxes of Doritos chips. How many boxes of Pringles did he offload?
Solution:
1. The number of boxes of Doritos chips offloaded is given as 17.
2. Matthew offloaded 4 times as many boxes of Pringles as boxes of Doritos chips.
3. To find the number of boxes of Pringles, multiply the number of boxes of Doritos chips by 4:
\[
\text{Boxes of Pringles} = 4 \times 17 = 68
\]
Answer: Matthew offloaded
68 boxes of Pringles.
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Final Answers:
1.
$40
2.
36 feet
3.
48 seashells
4.
68 boxes
\boxed{40, 36, 48, 68}
Parent Tip: Review the logic above to help your child master the concept of 4th grade math worksheet multiplication word problems.
