Here are the step-by-step solutions for each problem on the worksheet.
1. Liam and Emma's Money
*
Step 1: Find out how much money they had together at the start.
Liam had $45 and Emma had $32.
$45 + $32 = $77
*
Step 2: Subtract the amount they spent.
They spent $28 on a movie ticket.
$77 - $28 = $49
*
Answer: They have
$49 left.
2. Noah's Bike Ride
*
Step 1: Find the total time Noah rode his bike on Saturday.
Morning: 45 minutes
Afternoon: 30 minutes
45 + 30 = 75 minutes
*
Step 2: Compare Saturday's time to Sunday's time.
Sunday: 60 minutes
Saturday: 75 minutes
75 - 60 = 15 minutes
*
Answer: He rode
15 minutes longer on Saturday.
3. Students on the Field Trip
*
Step 1: Find the total number of students who went on the trip.
There were 24 students, and 3 stayed behind.
24 - 3 = 21 students went on the trip.
*
Step 2: Divide the students into groups.
The 21 students were split into 3 equal groups.
21 ÷ 3 = 7
*
Answer: There are
7 students in each group.
4. Ella's Rock Collection Goal
*
Step 1: Find out how many rocks Ella has collected so far.
Pink rocks: 25
Yellow rocks: 18
25 + 18 = 43 rocks
*
Step 2: Find out how many more she needs to reach her goal of 100.
100 - 43 = 57
*
Answer: She needs to collect
57 more rocks.
5. Harper's Coin Collection
*
Step 1: Find out how many coins Harper had after adding more to her starter pack.
Starter pack: 56 coins
Added: 28 coins
56 + 28 = 84 coins
*
Step 2: Subtract the coins she lost.
She lost 15 coins.
84 - 15 = 69 coins
*
Answer: She now has
69 coins.
6. Emily's Jogging Distance
*
Step 1: Add up the miles she jogged on Monday and Tuesday.
Monday: 2 miles
Tuesday: 3 miles
2 + 3 = 5 miles
*
Step 2: Add Friday's distance to find the total.
Total so far: 5 miles
Friday: 4 miles
5 + 4 = 9 miles
*
Answer: Emily has jogged
9 miles in total.
Final Answer:
1. $49
2. 15 minutes
3. 7 students
4. 57 rocks
5. 69 coins
6. 9 miles
Parent Tip: Review the logic above to help your child master the concept of addition and subtraction word problems worksheet 3rd grade.