Addition
Subtraction
Word Problems
Count on
Estimating
100

  105

+215

320

100

  695

- 172

523

100

Clare sells 432 raffle tickets on Saturday and 240 on Sunday. How many tickets did Clare sell in all?

672

100

Add. 

985+1

562+10

301+100

986

572

401

100

   320

+ 110

   300

+ 100

   400

200

  439

+262

701

200

  $5.58

- $3.49

$2.09

200

Tell which of these double facts needs regrouping twice. 

225+225                361+361               178+178

 178+178

200

Write the number 100 less. 

______, 652

552

200

370 - 220

   400

-  200

   200

      

300

  $5.58

+$4.60

$10.18

300

  $6.40

- $1.64

$4.76

300

The boys score 165 points in a school game. The girls score 30 points more than the boys. How many points do the players score altogether?

360

300

Without subtracting, tell whether 348-10 or 348-100 is less.

348-100

300

530 + 350 

   500

+ 400

    900

400

 1,625

+  485

2,110

400

  $9.54

- $3.65

$5.89

400

A store orders 146 oranges one month and the same number the next month. After two months, the store sold 235 oranges. How many oranges are left?

57

400

Continue the pattern. Then, explain the pattern. 

790, 890, 990, _______, ________

Pattern: _________

1,090, 1,190

Pattern: +100

400
   333

-  159


   300

-  200

    100

500

  $5.99

+$7.61 

$13.60

500

  600

- 468

132

500

I am less that 700-130.

I am more than 952-384.

What number am I ?

569

500

Continue the pattern. Then, explain the pattern. 

635, 625, 615, _____, ______

Pattern: ____________

605, 595

Pattern: -10

500

  849

- 250

  800

- 300

  500