Math about more
1.1. Knowledge to remember
The solution to the problem has more to do with one quantity than another
1.2. Math form
General math: The problem requires finding the value of the quantity A, given that A is worth more than B n units.
– Read and analyze the topic
– Determine the quantity with large and small values, the relationship between the quantities. Usually, to find the value of a large quantity, we often use the addition operation.
– Present the solution to the problem.
– Check the results you just found.
1.3. Textbook exercise solution page 24
Draw has 4 flowers, Binh has more than Draw 2 flowers. How many flowers does Binh have?
Draw: 4 flowers bông
More vases than Draw: 2 flowers
The vase has: … flowers?
To find Binh’s number of flowers, we take Hoa’s number of flowers and add 2.
The vase with the number of flowers is:
4 + 2 = 6 (flower)
Answer: 6 flowers.
Nam has 10 marbles, Bao has 5 more marbles than Nam. How many marbles does Bao have?
Male has: 10 marbles
Bao is more than Nam : 5 marbles
Bao has: … marbles?
To find Bao’s number of marbles, we take Nam’s number of marbles and add 5.
Bao has the number of marbles:
10 + 5 = 15 (balls)
Answer: 15 marbles.
Plum is 95cm tall, Peach is 3cm taller than Plum. How many centimeters tall is Dao?
Peach is taller than Plum: 3cm
To find the solution, we take Plum’s height plus 3cm.
The number of centimeters to dig is:
95 + 3 = 98 (cm)
Answer: 98 cm.
1.4. Solving Textbook Exercises page 25
In the cup there are 6 pencils, in the box there are more than in the cup 2 pencils. How many pencils are in the box?
Cup: 6 pencils
The box is more than the cup: 2 pencils
To find the solution we take the number of pencils in the cup plus 2 more pencils.
The number of pencils in the box is:
6 + 2 = 8 (pencil)
Answer: 8 pencils.
Solve the problem according to the following summary:
I have: 11 postcards
Binh is more than An: 3 postcards
Binh has: … postcards?
To find the solution, we take An’s postcard number plus 3 more postcards.
The jar has the postcard number:
11 + 3 = 14 (postcard)
Answer: 14 postcards.
To find the number of people in team 2, we take the number of people in team 1 and add 2 people.
Team 2 has the number of people:
15 + 2 = 17 (person)
Answer: 17 people.
Line segment AB is 10cm long, line segment CD is 2cm longer than line segment AB.
a) How many centimeters long is the line segment CD?
b) Draw line segment CD
a) To find the solution we take the length of line segment AB plus 2cm.
b) Using a ruler and pencil, draw a line segment CD with the length found in question a.
a) The length of line segment CD is:
10 + 2 = 12 (cm)
b) Using a ruler with centimeter divisions, mark one point at the 0 line, one point at the 12 mark, and then connect it with a straightedge and pencil.