M&M
Expand 409
400 + 9
Expand 749
700 + 40 + 9
There are 645 people sunbathing on the beach. There are another 245 people swimming in the water. How many people are there in total?
645 + 245 = 890
Mason built a bridge with 158 Lego bricks. He added 147 more bricks to make his bridge longer. How many Lego bricks does Mason’s bridge have now?
158 + 147 =?
305
Jenny has 407 bracelets. She gave some bracelets to her best friend. Now, Jenny has 257 bracelets. How many bracelets did Jenny give to her best friend?
407 - 257 = 150
Abigail earned $225 walking dogs during the summer. She also earned $165 mowing grass and washing cars. How much money did Abigail earn during the summer?
225 + 165 = ?
390
Allyson and Lucas both solved the problem 424 – 388. The students had two different answers.
Allyson
424 – 388 = 146
Lucas
424 – 388 = 36
Which equation shows a way that Lucas can check to see if his answer is correct?
A 388 – 36 = 352 B 146 – 36 = 110
C 36 + 146 = 182 D 36 + 388 = 424
D 36 + 388 = 424
We can use adding to help us double check our subtraction!
There are 632 animals at Riverbanks Zoo. 470 of the animals are mammals, and the rest of the animals are reptiles. How many reptiles are at the Riverbanks Zoo?
632 - 470 =?
162
Haydee wants to find the number of hundreds in the sum of 451 and 388. How many hundreds are in the sum?
451 + 388 = 839
8 hundreds
Daniel wants to find the number of tens in the sum of 248 and 343. How many tens are in the sum?
248 + 343 = 591
9 tens
Ms. Gregory’s family is taking a trip to the Outer Banks of North Carolina for spring break.
• They will travel 167 miles from Charlotte to Raleigh.
• Then, they will travel 224 miles from Raleigh to the Outer Banks.
How many miles will Ms. Gregory’s family travel from Charlotte to the Outer Banks?
167 miles (Charlotte --> Raleigh)
224 miles (Raleigh --> Outer Banks)
167 + 224 (Charlotte --> Outer Banks)
167 + 224 = 391
Robert is preparing for a violin performance this weekend. He practiced for 841 minutes on Monday and 381 minutes on Tuesday. How many more minutes did Robert practice on Monday than Tuesday?
HOW MANY MORE ----> SUBTRACTION
841 - 381 = 460
There were 458 people riding on a train. 271 people got off at the next station. How many people were left riding the train?
458 - 271 = 187
Dina wants to find the number of tens in the sum of 192 and 563. How many tens are in the sum?
192 + 563 = 755
5 tens
Raina has 169 fiction books and 107 nonfiction books. She wants to find the total number of books she has altogether. Which of the following shows how Raina could use place value to find the total number of books?
A 1 + 1 + 6 + 9 + 7
B 100 + 100 + 60 + 70 + 9
C 100 + 100 + 60 + 9 + 7
D 100 + 100 + 90 + 6 + 7
169 + 107 = ?
100 + 60 + 9 + 100 + 7
C 100 + 100 + 60 + 9 + 7