Grade 4 - Progress in Mathematics

CHAPTER 3

463

Practice 3-1

Practice 3-2

1a. 
 323 b. 
 19 c. 
 695


 679 
 894 
 8126

2a. 
94,320 b. 
190,029 c. 
$18.26


84,002 
870,993 
 4.59

3a. 
82,302 b. 
 79 c. 
$ 919


97,586 
 500 
$ 610


73,222 
 639 
$ 8120


 322 
$ 1293

4a. 25 
 75 
 50 b. $45.99 
$68.20

5a. 8550 
10,203 b. 194,344 
940,277

Make a rough estimate. Then adjust.

6a. 
 920 b. 
 2402 c. 
$79.45


 735 
 5111 
$60.99

7a. 
 382 b. 
 277 c. 
$18.95


 989 
 184 
$27.72


 105 
 457 
$11.08

8.A message board has 190 notes in English

and 120 in Spanish. How many notes are

on the board?

9.Find the total number of pencils in a box of

24 red, 12 blue, 30 green, and 23 yellow

pencils.

10.Mr. Kanin has 1940 postcards from the

United States and 2430 from other

countries. How many postcards are in

his collection?

11.Add 19,200 to the sum of 394 and 377.

12.Mitch uses tiles to cover a floor. He uses

287 black tiles, 78 white tiles, and 118

blue tiles. How many tiles does he use?

13.The sum is 54,000. One addend is

28,250. What is the other addend?

14.A necklace has 26 glass beads, 48 metal

beads, and 82 tiny wooden beads. How

many beads are in the necklace?

1a. 
 894 b. 
 300 c. 
 738

 190  28  592

2a. 
 5493 b. 
 7000 c. 
69,504

 2500  429 18,366

3a. 
$9.29 b. 
$43.50 c. 
$50.22

$1.63 $25.70 $ 8.99

4a. 2280  2223 b. 29,302 10,233

5a. $35.98 $7.23 b. $600.75 $240.80

Estimate the difference. Use front-end

estimation.

6a. 
 849 b. 
 8394 c. 
73,382

 290  2011 14,006

7a. 
$51.20 b. 
$757 c. 
$98.35

$10.75  522 $52.20

8.How much greater than 427 is 549?

9.Ms. Brownell has 1327 marbles. There

are 272 white marbles; the rest are

multicolored. How many multicolored

marbles does she have?

10.Ruth is reading a 178-page book. She is

on page 67. How many pages does she

still have to read?

11.Angie sells seed packs. She starts with a

carton of 250 packs. She has 117 packs

left. How many has she sold?

12.An adult’s T-shirt costs $8.99 and a child’s

T-shirt costs $5.50. How much more

expensive is the adult’s T-shirt?

13.Subtract 3405 from the sum of 2847

and 5032.

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