Addition without regrouping
What is 125 + 144?
269
What is 745 + 248?
993
What is the pattern rule for the pattern below?
144, 148, 152, 156
Start at 144 and add 4 each time.
145 + 657 = ?
What should you do first?
Add the ______________.
Ones
What is 247 + 322?
569
What is 546 + 325?
871
What are the first 3 numbers for the pattern with this pattern rule:
Start at 100 and add 10 each time.
100, 110, 120
145 + 657 = ?
Step 1: Add the ones.
5 + 7 = 12 ones.
What should you do next?
_________ the ones.
Regroup
What is 440 + 529?
969
What is 372 + 439?
811
What is the pattern rule for the pattern below?
330, 350, 370, 390
Start at 330 and add 20 each time.
145 + 657 = ?
Step 1: Add the ones
5 + 7 = 12 ones
Regroup the ones.
12 ones = 1 ten 2 ones
What is step 2?
Add the ________
Tens
What is 726 + 223?
949
What is 678 + 233?
911
What are the first 3 numbers in the pattern with this pattern rule:
Start at 765 and add 10 each time.
765, 775, 785
145 + 657 = ?
Step 1: Add the ones
5 + 7 = 12 ones
Regroup.
12 ones = 1 ________ 2 _______
1 ten 2 ones
What is 875 + 24?
899
What is 555 + 445?
1000
What is the pattern rule for the pattern below?
436, 447, 458, 469
Start at 436 and add 11 each time.
145 + 657 = ?
Step 1: Add the ones
5 + 7 = 12 ones
Regroup.
12 ones = 1 ten 2 ones
Step 2: Add the tens
1 + 4 + 5 = 10 tens
Regroup.
10 tens = 1 hundred 0 tens
What is step 3?
Add the ___________
Hundreds