3-digit addition
+
+
200 + 100 = _______
300
800 - 200 = ________
600
100 ___ 900
100 < 900
o o o
o o
How many rows are in this array?
o o o o o
o o o o o
o o o o o
o o o o o
4
500 + 300 = ________
800
370 - 40 = _______
330
730 ___ 700
730 > 700
o o o
o o o
o o
even
How many columns are in this array?
o o o o o o
o o o o o o
o o o o o o
o o o o o o
632 + 241 = _______
873
452 - 321 = ______
131
870 ___ 876
870 < 876
4 + 4
Draw an array with 4 rows and 3 columns. How many counters are there?
o o o
o o o
o o o
o o o
12 counters
478 + 325 = ________
803
781 - 427 = ________
354
437 ___ 473
437 < 473
6 + 6 + 1
Write a repeated addition equation to represent the rows in this array.
o o o o o
o o o o o
o o o o o
o o o o o
5 + 5 + 5 + 5 = 20
753 + 179 = ________
932
421 - 274 = _______
147
40 + 300 + 5 ____ 4 + 50 + 300
345 < 354
16
even
8 + 8 = 16Write a repeated addition equation to represent the columns in this array.
o o o o o o
o o o o o o
o o o o o o
3 + 3 + 3 + 3 + 3 + 3 = 18