Mental Math: Addition

Mental Math: Addition

3rd Grade

6 Qs

quiz-placeholder

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Mental Math: Addition

Mental Math: Addition

Assessment

Quiz

Mathematics

3rd Grade

Medium

Created by

Ms.Etab Amer

Used 35+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To find the sum using an open number line for:

236 + 1 43

Start with 236 and jump 100 then 40 then 3

Start with 236 and jump 200 then 30 then 6

Strat with 236 and add 236

Start with 143 and jump 100 then 40 then 3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

408 + 261 =

469

668

669

269

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using make ten strategy, the first step to find 348 + 126 is:

348 + 20

348 + 100

348 + 2

248 + 6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using make ten strategy, the first step to find 257 + 115 is:

257 + 3

257 + 5

257 + 100

257 + 10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using make ten strategy, to find 246 + 135 I will follow the steps:

246 + 4 = 250

250 + 100 =350

350 + 30 = 380

380 + 1 = 381

246 + 100 = 346

246 + 4 = 250

250 + 100 =350

350 + 30 = 380

380 + 5 = 385

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To find 325 + 168 using make ten strategy, I will follow the steps:

325 + 5 = 330

330 + 100 =430

430 + 60 = 490

490 + 8 = 498

325 + 5 = 330

330 + 100 =430

430 + 60 = 490

490 + 3 = 493

325 + 5 = 330

330 + 100 =430

490 + 8 = 498