We included HMH Into Math Grade 2 Answer Key PDF Module 17 Lesson 3 Subtract Three-Digit Numbers to make students experts in learning maths.
HMH Into Math Grade 2 Module 17 Lesson 3 Answer Key Subtract Three-Digit Numbers
I Can regroup hundreds and tens to subtract three-digit numbers.
Spark Your Learning
How many light bulbs does Mr. Li have now?
____________ light bulbs
Mr. Li owns a lighting store. On Monday, he receives a package with 625 light bulbs. He sells 248 light bulbs. How many light bulbs does Mr. Li have now? Use tools and show how to solve this problem. Draw to show what you did.
377 light bulbs
On Monday, he receives a package with 625 light bulbs.
He sells 248 light bulbs
625 – 248 = 377
377 light bulbs that Mr. Li have now
Jameela has 623 pennies. Calvin has 478 pennies. How many more pennies does Jameela have than Calvin?
A. Make a concrete model to represent Jameela’s pennies. Draw a visual model to show your work.
B. How can you subtract Calvin’s 478 pennies? Use your visual model to work out the subtraction. Do you need to regroup?
yes, we need to regroup.
C.Record your regrouping.
D. Solve. Jameela has _________ more pennies.
Jameela has 145 more pennies.
Jameela has 623 pennies.
Calvin has 478 pennies.
623 – 478 = 145
145 more pennies that Jameela have than Calvin.
Turn and Talk What does it mean to regroup twice in subtraction?
Converting tens to ones and hundred to tens.
Step It Out
331 – 175 = ________
A. Draw a visual model to show how to find the difference. If you regroup, show it in your work.
331 – 175 = 156
Mrs. Peters buys o pock of 750 craft sticks to use in her art classes. Her students use 385 craft sticks for their projects. How many craft sticks ore left? Solve.
__________ craft sticks
365 craft sticks
Mrs. Peters buys o pock of 750 craft sticks to use in her art classes.
Her students use 385 craft sticks for their projects.
750 – 385 = 365
On Your Own
Use Structure Mr. Scott buys 452 cherries and 259 blueberries. How many more cherries than blueberries does Mr. Scott buy? Solve.
Mr. Scott buys ________ more cherries.
Explain if you need to regroup to solve this problem.
We need to regroup
we cannot subtract 9 from 2 so, regrouped as 12
and we cannot subtract 5 from 4 so, regrouped as 141
Mr. Scott buys 452 cherries and 259 blueberries.
452 – 259 = 193
Mr. Scott buys 193 more cherries.
The difference of 451 and 262 is 189
451 – 262 = 189.
The difference of 673 and 249 is 424
673 – 249 = 424
I’m in a Learning Mindset!
How do I know when I’m being a successful learner?
They are always Curious to learn anything new, They are extremely Dedicated, They are Intense Hard Worker