Grade 4 - Progress in Mathematics

Arithmetic

If you take a number and double it and double it again and then double

it a few more times, the number gets bigger and bigger and goes

higher and higher and only arithmetic can tell you what the number

is when you decide to quit doubling.

From “Arithmetic” by Carl Sandburg.

In this chapter you will:

Use variables in number sentences

Find missing numbers and symbols

Learn about function tables

and parentheses

Graph equations on coordinate

grids

Solve problems in more than

one way

Critical Thinking/

FindingTogether

Round and estimate to name the

next three numbers in the doubling

sequence above. Explain how

you rounded and estimated

each number.

12

2

4

4

8

96

1

92

3

8

4

76

8

1,

6

,1

44

1

2,2

88

24

,5

76

4

9,

15

2

8204-6_441 12/15/05 4:56 AM Page 441