# 1.E: Whole Numbers (Exercises)

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## 1.1 - Introduction to Whole Numbers

### Identify Counting Numbers and Whole Numbers

In the following exercises, determine which of the following numbers are (a) counting numbers (b) whole numbers.

1. 0, 2, 99
2. 0, 3, 25
3. 0, 4, 90
4. 0, 1, 75

### Model Whole Numbers

In the following exercises, model each number using base-10 blocks and then show its value using place value notation.

1. 258
2. 104

### Identify the Place Value of a Digit

In the following exercises, find the place value of the given digits.

1. 472,981

(a) 8 (b) 4 (c) 1 (d) 7 (e) 2

1. 12,403,295

(a) 4 (b) 0 (c) 1 (d) 9 (e) 3

### Use Place Value to Name Whole Numbers

In the following exercises, name each number in words.

1. 5,280
2. 204,614
3. 5,012,582
4. 31,640,976

### Use Place Value to Write Whole Numbers

In the following exercises, write each number as a whole number using digits.

1. six hundred two
2. fifteen thousand, two hundred fifty-three
3. three hundred forty million, nine hundred twelve thousand, sixty-one
4. two billion, four hundred ninety-two million, seven hundred eleven thousand, two

### Round Whole Numbers

In the following exercises, round to the nearest ten.

1. 412
2. 648
3. 3,556
4. 2,734

In the following exercises, round to the nearest hundred.

1. 38,975
2. 26,849
3. 81,486
4. 75,992

## 1.2 - Add Whole Numbers

In the following exercises, translate the following from math notation to words.

1. 4 + 3
2. 25 + 18
3. 571 + 629
4. 10,085 + 3,492

### Model Addition of Whole Numbers

In the following exercises, model the addition.

1. 6 + 7
2. 38 + 14

In the following exercises, fill in the missing values in each chart.

1. (a) 0 + 19 (b) 19 + 0
2. (a) 0 + 480 (b) 480 + 0
3. (a) 7 + 6 (b) 6 + 7
4. (a) 23 + 18 (b) 18 + 23
5. 44 + 35
6. 63 + 29
7. 96 + 58
8. 375 + 591
9. 7,281 + 12,546
10. 5,280 + 16,324 + 9,731

### Translate Word Phrases to Math Notation

In the following exercises, translate each phrase into math notation and then simplify.

1. the sum of 30 and 12
2. 11 increased by 8
3. 25 more than 39
4. total of 15 and 50