WorksheetsAdding 2-3 digit addends and decomposing
Total questions: 21
Worksheet time: 1hrs 2mins
152 + 102 =
(a)
833 + 104 =
(a)
324 + 271 =
(a)
790 + 104 =
(a)
902 + 439
934
1,890
1,341
1,241
Work out.
353+
210 .
________
________
573
473
563
543
Work out.
257+
532 .
________
________
789
589
389
654
Work out.
678+
221 .
________
________
761
899
799
699
Work out. Find the sum.
200 + 20
+ 200 + 10 + 9
________
________
439
449
539
549
Ms. Metzger's class did a science experiment to see how far their handmade race cars could travel. Emily's car traveled 132 cm. Chloe's car traveled 140 cm. And Claire's car traveled 129 cm. How far did their cars travel in all?
4,011
391 cm
389
401 cm
On summer break, the Kahlig's went to the beach. They traveled 141 miles to get to West Virginia, 250 miles to get to North Carolina, and another 267 miles to the beach. How many miles did they travel?
(a)
133
+ 233
_________
215
+ 261
______
900 + 2
+ 100 + 30 + 9
____ + ____ = 1,041
What are the two addends?
920 + 193
920 + 139
902 + 139
902 + 193
600 + 20 + 4
+ 400 + 70 + 9
____ + ____ = 1,103
What are the two addends?
920 + 193
642 + 479
624 + 479
624 + 749
Which strategies are used to find the sum? Choose those that apply to all.
574 + 358 = _____
500 + 300 = 800
70 + 50 = 120
4 + 8 = 12
12
120
+ 800
500 - 300 = 200
70 - 50 = 20
8 - 4 = 4
= 224
574
- 358
224
