math

Math

Ôn về money

Bài cuối

Today's Lesson

• Addition

• Multiplication

• Subtraction

• Division

Example(Addition)

Vu wants to buy a shirt and a pair of pants. The shirt costs $10 and the pants cost $8. How much does he have to pay?

The answer is $18

Thưởng 2 ball người trả lời đúng

Example(Multiplication)

Chi want to buy lollipops, chi buy 5 lollipops.1 lollipops cost $ 5. Ask 5 lollipops, how much does it cost?

The answer is $50

Thưởng 2ball cho người đúng

Example(Subtraction)

Loc has 90 dollars, Loc buys a TV for 58 dollars. After he pays, how many dollars is left?

The answer is $31

Thưởng 2 ball cho người đúng

Example(Division)

Vu has 20 dollars, Vu gives it to 2 people. How many dollars does 1 person have?

The answer is $10

Thưởng 2 ball cho người đúng

Thực hành

Multiple Choice

Loc has $100, Loc gives Chi $82 and gives Vu $10 back. How many dollars do Loc have left?

• 6

• 7

• 8

• 9

Multiple Choice

Chi has 29 dollars, mom gives another 28 dollars. Ask how many dollars?

• 57

• 47

• 67

• 97

Multiple Choice

Vu has 99 dollars, Vu gives Bin 31 dollars, Bin gives another 5 dollars. How many dollars does Vu have left?

• 42

• 68

• 56

• 73

Multiple Choice

Loc gave Vu 20 dollars, Loc gave Bin, 35 dollars, Bin gave Loc 9 dollars. At first, how many dollars did Loc have?

• 46

• 20

• 70

• 94