Topic 7 and 8 Quick Check

Find the sum using mental math.

523+132

• 650

• 555

• 655

Round to the nearest hundred to estimate.

403+176

• 579

• 576

• 600

• 500

Add to find the sum.

730+168

• 891

• 898

• 562

Find the sum.

335+118

• 453

• 441

• 418

A group of kids played 2 board games. The first game lasted for 145 minutes. The second game lasted for 134 minutes. The kids had a 30 minute lunch break between the games. What was the total time spent playing board games?

• 279

• 309

• 249

• 269

Use mental math to find each difference.

468-224

• 200

• 692

• 244

Round to the nearest ten to estimate.

241-117

• 370

• 120

• 130

Subtract to find the difference.

755-315

• 440

• 445

• 435

Find the difference.

629-453

• 176

• 180

• 177

Ms. De Jesus and Ms. Capo each went for a walk. Ms. De Jesus walked for 213 steps. Ms. Capo walked 121 less steps than Ms. De Jesus. How many steps did Ms. Capo walk?

• 110

• 80

• 92