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Solve Math Grade 3 page 98 Workbook Connecting Knowledge with Life Volume 1
Solving exercises on page 98 of Math 3 Workbook Volume 1, Connecting Knowledge with Life:
Multiplying numbers with three digits by numbers with one digit
Activity
1. Solve Exercise 1 on Page 98 of Math Workbook Grade 3
Problem: Calculate.
Solution Guide: Perform multiplication from right to left.
Answer:
2. Solve Exercise 2 on Page 98 of Math Workbook Grade 3
Problem: Set up and then solve.
Solution Guide:
Step 1: Arrange the numbers so that digits in the same place value are aligned vertically.
Step 2: Calculate from right to left.
Answer:
3. Solve Exercise 3 on Page 98 of Math Workbook Grade 3
Problem: Today, a seagull is 118 days old, and the number of days a cat is three times the number of days the seagull is old. How many days old is the cat today?
Solution Guide: Solve for the number of days the cat is old by multiplying the number of days the seagull is old by 3.
Answer:
The number of days the cat is old is:
118 x 3 = 354 (days)
Answer: 354 days.
Practice
1. Solve Exercise 1 on Page 98 of Math Workbook Grade 3
Problem: Number?
Solution Guide: To find the product, multiply the multiplier by the multiplicand.
Answer:
- See more: Solving exercises on pages 100, 101, 102, 103 of Math 3 Workbook Volume 1, Connecting Knowledge with Life
Problem: Calculate mentally (following the example).
Solution Guide: Observe the example then mentally calculate the results of multiplication involving numbers rounded to hundreds.
Answer:
300 x 3 = ?
3 hundred x 3 = 9 hundred
300 x 3 = 900
200 x 4 = ?
2 hundred x 4 = 8 hundred
200 x 4 = 800
400 x 2 = ?
4 hundred x 2 = 8 hundred
400 x 2 = 800
Đáp án:
300 x 3 = ?
3 trăm x 3 = 9 trăm
300 x 3 = 900
200 x 4 = ?
2 trăm x 4 = 8 trăm
200 x 4 = 800
400 x 2 = ?
4 trăm x 2 = 8 trăm
400 x 2 = 800
Problem: What is the number?
Solution Guide: The weight of the pot = The weight of the cup x 3.
Answer:
The weight of the pot is:
128 x 3 = 384 (g)
Answer: 384 g.
Hướng dẫn giải: Cân nặng của cái ấm = Cân nặng của cái chén x 3.
Answer:
The weight of the pot is:
128 x 3 = 384 (g)
Answer: 384 g.
Problem: Calculate.
Solution Guide:
Step 1: Calculate the number of milliliters of honey black bear has = Milliliters of honey in one jar x Number of jars.
Step 2: Milliliters of honey left = Milliliters of honey black bear has - Milliliters of honey used.
Hướng dẫn giải:
Bước 1: Tính số mi-li-lít mật ong gấu đen có = Số mi-li-lít mật ong ở một hũ x Số hũ.
Bước 2: Số mi-li-lít mật ong còn lại = Số mi-li-lít mật ong gấu đen có - Số mi-li-lít mật ong đã dùng.
Answer:
Black bear has a total of:
250 x 3 = 750 (ml)
Black bear has remaining:
750 - 525 = 225 (ml)
Answer: 225 ml.
Solving exercise on page 98 of Math 3 Workbook Volume 1, Connecting Knowledge with Life provides detailed solutions and guidance. Remember to refer to it to complete exercises accurately, so next time encountering this type of problem, you can solve it.
