3rd Grade Multiplication
10X6=
29 rounded to the nearest 10
30
Draw an array for the problem:
4 x 3
@@@
@@@
@@@
@@@ = 12
432 + 263
432 + 263 =695
389-234
389-234=155
8X4=
32
621 rounded to the nearest 100
600
Draw equal groups for 6 x 7 and solve it!
Check student answers
184+117=
184 + 117=301
456-175=
281
5X4=
214 rounded to the nearest 10
210
Draw equal groups for the problem:
4 x 4 =
16
220+350=
570
820-612=
208
7X6=
42
749 rounded to the nearest 100
700
Solve this problem using the 3-step strategy: 90 x 5
90 x 5
1. 9 x 10 x 5
2. (9 x 5) x 10
3. (45) x 10 =450
167+250=
417
300-129=
171
6X9=
54
472 rounded to the nearest 10
470
Break apart this equation 9 x 8
(9 x 5) + (9 x 3)=72
396 + 478
874
279-59=
220