Examples with solutions for Multiplication and division: 4 Numbers

Exercise #1

8+3×25= 8 + 3 \times 2 - 5 =

Video Solution

Step-by-Step Solution

First, perform the multiplication: 3×2=6 3 \times 2 = 6 .

Then, follow the sequence with addition: 8+6=14 8 + 6 = 14 .

Finally, perform the subtraction: 145=9 14 - 5 = 9 .

Answer

9 9

Exercise #2

94×1+2= 9 - 4 \times 1 + 2 =

Video Solution

Step-by-Step Solution

Perform the multiplication first: 4×1=4 4 \times 1 = 4 .

Then, subtract the result from 9: 94=5 9 - 4 = 5 .

Finally, add 2: 5+2=7 5 + 2 = 7 .

Answer

7 7

Exercise #3

7×23+1= 7 \times 2 - 3 + 1 =

Video Solution

Step-by-Step Solution

Multiply first: 7×2=14 7 \times 2 = 14 .

Subtract 3: 143=11 14 - 3 = 11 .

Add 1: 11+1=12 11 + 1 = 12 .

Answer

12 12

Exercise #4

112+4×2= 11 - 2 + 4 \times 2 =

Video Solution

Step-by-Step Solution

Start with the multiplication: 4×2=8 4 \times 2 = 8 .

Add this to the initial subtraction: 112=9 11 - 2 = 9 .

Then finish with: 9+8=17 9 + 8 = 17 .

Answer

17 17

Exercise #5

6+2×54= 6 + 2 \times 5 - 4 =

Video Solution

Step-by-Step Solution

1. Follow the order of operations (PEMDAS/BODMAS).

2. First do the multiplication: 2×5=102 \times 5 = 10.

3. Then, perform the addition: 6+10=166 + 10 = 16.

4. Finally, subtract: 164=1216 - 4 = 12.

Answer

12

Exercise #6

93+6÷2= 9 - 3 + 6 \div 2 =

Video Solution

Step-by-Step Solution

1. Follow the order of operations (PEMDAS/BODMAS).

2. First do the division: 6÷2=36 \div 2 = 3.

3. Then, perform the addition/subtraction from left to right: 93=69 - 3 = 6, then 6+3=96 + 3 = 9.

Answer

9

Exercise #7

8÷4+3×3= 8 \div 4 + 3 \times 3 =

Video Solution

Step-by-Step Solution

1. Follow the order of operations (PEMDAS/BODMAS).

2. First do the division: 8÷4=28 \div 4 = 2.

3. Then, perform the multiplication: 3×3=93 \times 3 = 9.

4. Finally, perform the addition: 2+9=112 + 9 = 11.

Answer

11

Exercise #8

5×2+9÷3= 5 \times 2 + 9 \div 3 =

Video Solution

Step-by-Step Solution

1. Follow the order of operations (PEMDAS/BODMAS).

2. First do the division: 9÷3=39 \div 3 = 3.

3. Then, perform the multiplication: 5×2=105 \times 2 = 10.

4. Finally, perform the addition: 10+3=1310 + 3 = 13.

Answer

13 13

Exercise #9

6×3÷2×1= 6 \times 3 \div 2 \times 1 =

Video Solution

Step-by-Step Solution

Start by performing the multiplication and division from left to right according to the order of operations.

First, calculate the multiplication: 6×3=186 \times 3 = 18

Next, divide the result by 2: 18÷2=918 \div 2 = 9

Finally, multiply by 1: 9×1=99 \times 1 = 9

Thus, the correct answer is 9 9 .

Answer

9

Exercise #10

2×5÷1×4= 2 \times 5 \div 1 \times 4 =

Video Solution

Step-by-Step Solution

Start by performing the multiplication and division from left to right according to the order of operations.

First, calculate the multiplication: 2×5=102 \times 5 = 10

Next, divide the result by 1: 10÷1=1010 \div 1 = 10

Finally, multiply by 4: 10×4=4010 \times 4 = 40

Thus, the correct answer is 4040.

Answer

40

Exercise #11

8÷2×3×2= 8 \div 2 \times 3 \times 2 =

Video Solution

Step-by-Step Solution

To solve the expression 8÷2×3×2 8 \div 2 \times 3 \times 2 , we need to follow the order of operations, specifically multiplication and division from left to right.

First, we divide 8 by 2:

8÷2=4 8 \div 2 = 4

Next, we multiply the result by 3:

4×3=12 4 \times 3 = 12

Finally, we multiply by 2:

12×2=24 12 \times 2 = 24

Thus, the value of 8÷2×3×2 8 \div 2 \times 3 \times 2 is 24 24 .

Answer

24

Exercise #12

15:5+4×3= 15:5+4\times3=

Video Solution

Step-by-Step Solution

According to the order of operations, we put the multiplication and division exercise in parentheses:

(15:5)+(4×3)= (15:5)+(4\times3)=

Now we solve the parentheses:

15:5=3 15:5=3

4×3=12 4\times3=12

And we get the exercise:

3+12=15 3+12=15

Answer

15

Exercise #13

Complete the exercise:

45×7+3= 4-5\times7+3=

Video Solution

Step-by-Step Solution

According to the rules of the order of arithmetic operations, we must first solve the multiplication exercises.

We place them inside of parentheses to avoid confusion during the solution:

4(5×7)+3= 4-(5\times7)+3=

We then solve the multiplication exercises:

435+3= 4-35+3=

Lastly we solve the rest of the exercise from left to right:

435=31 4-35=-31

31+3=28 -31+3=-28

Answer

28 -28

Exercise #14

3+8+4×3= 3+8+4\times3=

Video Solution

Step-by-Step Solution

According to the rules of the order of operations, we first solve the multiplication exercise:

3+8+(4×3)= 3+8+(4\times3)=

4×3=12 4\times3=12

Now, we solve the addition exercise from left to right:

3+8+12= 3+8+12=

11+12=23 11+12=23

Answer

23

Exercise #15

25×3+4= 2-5\times3+4=

Video Solution

Step-by-Step Solution

According to the rules of the order of arithmetic operations, we begin by enclosing the multiplication exercise inside parentheses:

2(5×3)+4= 2-(5\times3)+4=

We then solve the said exercise inside of the parentheses:

5×3=15 5\times3=15

We obtain the following:

215+4= 2-15+4=

Lastly we solve the exercise from left to right:

215=13 2-15=-13

13+4=9 -13+4=-9

Answer

-9

Exercise #16

104:2×2= 10-4:2\times2=

Video Solution

Step-by-Step Solution

According to the rules of the order of operations, we first place multiplication and division exercises within parentheses:

10(4:2×2)= 10-(4:2\times2)=

We solve the exercise within parentheses from left to right:

4:2=2 4:2=2

2×2=4 2\times2=4

Now we obtain the exercise:

104=6 10-4=6

Answer

6 6

Exercise #17

34×81354= 34 \times 8 - 13 - 54 =

Video Solution

Step-by-Step Solution

First, perform the multiplication: 34×8=272 34 \times 8 = 272 .

Next, perform the subtraction: 27213=259 272 - 13 = 259 .

Finally, subtract 54: 25954=205 259 - 54 = 205 .

Answer

205 205

Exercise #18

45×72550= 45 \times 7 - 25 - 50 =

Video Solution

Step-by-Step Solution

First, perform the multiplication: 45×7=315 45 \times 7 = 315 .

Next, perform the subtraction: 31525=290 315 - 25 = 290 .

Finally, subtract 50: 29050=240 290 - 50 = 240 .

Answer

240 240

Exercise #19

35×91565= 35 \times 9 - 15 - 65 =

Video Solution

Step-by-Step Solution

First, perform the multiplication: 35×9=315 35 \times 9 = 315 .

Next, perform the subtraction: 31515=300 315 - 15 = 300 .

Finally, subtract 65: 30065=235 300 - 65 = 235 .

Answer

235 235

Exercise #20

What is the result of the following equation?

16+48÷8×3 16 + 48 \div 8 \times 3

Video Solution

Step-by-Step Solution

First, perform the division: 48÷8=6 48 \div 8 = 6 .

Next, perform the multiplication: 6×3=186 \times 3 = 18.

Finally, perform the addition: 16+18=3416 + 18 = 34.

Answer

34