🌟

Math – Addition with Regrouping

Math · CCSS: 3.NBT.A.2 · Level 3 · Worksheet 2 of 5 · Practice Set 3
Level 3 ⭐⭐⭐
Practice SetsSet 1Set 2Set 3Set 4Set 5Set 6Set 7Set 8Set 9Set 10
Name:
Date:
1 What is Regrouping?
📦 When the ones column adds up to 10 or more, you "regroup" (carry) to the tens column.

Example: 27 + 15

Step 1: Add the ones: 7 + 5 = 12 → Write 2, carry the 1

Step 2: Add the tens: 2 + 1 + 1(carried) = 4 → Answer: 42

Try these step by step:
Problem Ones (+ carry?) Tens Answer
19 + 13
28 + 35
56 + 17
2 Practice: Does it Need Regrouping?
🤔 First decide: does this problem need regrouping? Then solve.
Problem Regrouping? (Y/N) Answer
15 + 12
27 + 38
43 + 26
62 + 15
19 + 24
35 + 45
3 Word Problems with Regrouping
📝 Solve each word problem. Show your work!
Problem Equation Answer
The bake sale sold 36 muffins and 48 brownies. How many treats were sold?
Priya read 27 pages on Saturday and 35 pages on Sunday. How many pages in all?
A jar holds 56 red beads and 29 blue beads. How many beads in all?
4 Challenge: Three Addends
🏆 Add three numbers together. You may need to regroup more than once!
Problem Answer
12 + 19 + 14 =
26 + 17 + 23 =
34 + 22 + 19 =
5 Explain Your Thinking (SBA Practice)
Show your work and explain how you solved the problem. On the state test, you will need to explain your reasoning.

Problem: Sam has 347 stickers. He gets 285 more. How many stickers does Sam have now? Show your regrouping.

My work:

My answer:

How I know my answer is correct:

+ Bonus Math Practice
Try one extra round for Set 3.
15 + 6 =
22 - 4 =
5 × 4 =
⭐ Great job with math today!
Math · Level 3 · Worksheet 2
★ ★ ★ ★ ★