Three-Digit Addition Strategies — practice questions
ACARA v9 code: AC9M3N03
Adding on a number line
Start at the first number, then hop forward one step at a time. The number you land on is the answer.
Start at 125 and hop forward 125. What is 125 + 125?
- 200
- 250
- 300
- 350
Start at 125 on the number line. Hop forward 125 → 125 + 125 = 250. You land on 250.
Start at 262 and hop forward 208. What is 262 + 208?
- 420
- 470
- 520
- 570
Start at 262 on the number line. Hop forward 208 → 262 + 208 = 470. You land on 470.
Start at 419 and hop forward 152. What is 419 + 152?
- 521
- 571
- 621
- 671
Start at 419 on the number line. Hop forward 152 → 419 + 152 = 571. You land on 571.
Start at 333 and hop forward 118. What is 333 + 118?
- 401
- 451
- 501
- 551
Start at 333 on the number line. Hop forward 118 → 333 + 118 = 451. You land on 451.
Start at 288 and hop forward 66. What is 288 + 66?
- 304
- 354
- 404
- 454
Start at 288 on the number line. Hop forward 66 → 288 + 66 = 354. You land on 354.
Start at 141 and hop forward 340. What is 141 + 340?
- 431
- 481
- 531
- 581
Start at 141 on the number line. Hop forward 340 → 141 + 340 = 481. You land on 481.
Start at 372 and hop forward 18. What is 372 + 18?
- 340
- 390
- 440
- 490
Start at 372 on the number line. Hop forward 18 → 372 + 18 = 390. You land on 390.
Start at 108 and hop forward 343. What is 108 + 343?
- 401
- 451
- 501
- 551
Start at 108 on the number line. Hop forward 343 → 108 + 343 = 451. You land on 451.