# unit 5 review

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## Presentation Transcript

### Slide 2:

Your teacher will play music and you will start dancing to the beat around the room. When the music stops, find a seat closest by. A basketball will be at each desk. On the back of it will be three point values. Before you begin answering the question, your teacher will tell you what value the question has. Keep track of your score on your tally sheet. -Repeat! 

### Slide 3:

Estimate the sum. Then, write a number model for the estimate. 658 + 498 = Hint: estimate means to round

### Slide 4:

Estimate the sum. Then, write a number model for the estimate. 658 + 498 = 700 + 500 = 1,200

### Slide 5:

Circle the number that is closest to the sum. Write a number model for the estimate. 647 + 325 + 874 = 1,200 1,400 1,600 1,800 Number Model:

### Slide 6:

Circle the number that is closest to the sum. Write a number model for the estimate. 647 + 325 + 874 = 1,200 1,400 1,600 1,800 Number Model: 600 + 300 + 900 = 1,800

### Slide 7:

Multiply. Use the partial products algorithm. Show your work. 87 * 6 =

### Slide 8:

80 * 6 = 480 7 * 6 = 42

### Slide 9:

Find the rule and complete the table. 90 8 200 350 150 7

### Slide 10:

Find the rule and complete the table. 90 8 200 350 150 7 400 *50 4 4,500 3

### Slide 11:

What is the value of the digit 7? How many ten thousands are there? 7,896,456

### Slide 12:

What is the value of the digit 7? Millions How many ten thousands are there? 7,896,456

### Slide 13:

Multiply. Use the partial products algorithm. Show your work. 26 * 18 =

### Slide 17:

Explain the mistake that Bobby made when he solved this problem. Then, solve it correctly. 0.07 +0.3 0.10

### Slide 18:

Bobby did not line up the decimal point correctly and that is why he did not do the problem correctly. 0.07 0.3 0.37 +

### Slide 19:

Estimate whether the product will be in the tens, hundreds, thousands or more. Circle your choice. Write a number model to show how you got your estimate. 27 * 73 = 10s 100s 1,000s 10,000s

### Slide 20:

Estimate whether the product will be in the tens, hundreds, thousands or more. Circle your choice. Write a number model to show how you got your estimate. 27 * 73 = Number Model= 30 * 70 = 2,100 10s 100s 1,000s 10,000s

### Slide 21:

Subtract. 10.77 – 8.26 =

### Slide 22:

Subtract. 10.77 – 8.26 2.51

### Slide 23:

Follow the rule and complete the table. 40 6 2,100 560 30 *7

### Slide 24:

Follow the rule and complete the table. 40 6 2,100 560 30 *7 210 42 280 8 300

### Slide 25:

Write the number 2,76,954,063 in short word form.

### Slide 26:

2 billion 76 million 954 thousand 63