Go through the Math in Focus Grade 2 Workbook Answer Key Chapter 2 Practice 7 Addition with Regrouping in Ones and Tens to finish your assignments.
Math in Focus Grade 2 Chapter 2 Practice 7 Answer Key Addition with Regrouping in Ones and Tens
Add and regroup.
Question 1.
488 + 123 = ?
Add and regroup the ones 8ones + 3 ones
488 + 123 = _______
= ________ ones
= ________ ten ________ one
Add and regroup the tens.
1 ten + 8 tens + 2 tens = _________ tens
= ________ hundred ________ ten
Add the hundreds.
1 hundred + 4 hundreds + 1 hundred = _________ hundreds
Answer:
488 + 123 = 611
Explanation:
8ones + 3 ones = 11 ones
11 ones = 1 ten 1 one
Add and regroup the tens.
1 ten + 8 tens + 2 tens = 11 tens
11 tens = 1 hundred 1 ten
Add the hundreds.
1 hundred + 4 hundreds + 1 hundred = 6 hundreds
Question 2.
Answer:
Explanation:
5 ones + 7 ones = 12 ones
12 ones = 1 ten 2 one
Add and regroup the tens.
1 ten + 9 tens + 2 tens = 12 tens
12 tens = 1 hundred 2 ten
Add the hundreds.
1 hundred + 5 hundreds + 1 hundred = 7 hundreds
595 + 127 = 722
Question 3.
Answer:
Explanation:
7 ones 4 ones = 11 ones
11 ones = 1 ten 1 one
Add and regroup the tens.
1 ten + 8 tens + 3 tens = 12 tens
12 tens = 1 hundred 2 ten
Add the hundreds.
1 hundred + 2 hundreds + 5 hundred = 8 hundreds
287 + 534 = 821
Question 4.
789 + 121 = _______
Answer:
Explanation:
9 ones and 1 ones = 10 ones
10 ones = 1 ten 0 one
Add and regroup the tens.
1 ten + 8 tens + 2 tens = 11 tens
11 tens = 1 hundred 1 ten
Add the hundreds.
1 hundred + 7 hundreds + 1 hundred = 9 hundreds
789 + 121 = 910
Question 5.
677 + 223 = _______
Answer:
Explanation:
7 ones + 3 ones = 10 ones
10 ones = 1 ten 0 one
Add and regroup the tens.
1 ten + 7 tens + 2 tens = 10 tens
10 tens = 1 hundred 0 ten
Add the hundreds.
1 hundred + 6 hundreds + 2 hundred = 9 hundreds
677 + 223 = 900
Whose toys are these?
Add.
Then match the owner to the toy.
Question 6.
Answer:
Explanation:
Matched the toys with their owners.
The sum is matched to the cost of toys.