True or False
True or False
220 + 90 = 110+ 200
True
220 + 90 = 310
110 + 200 = 310
These equal the same amount, so the answer is True
The school had 253 students. Over winter break, 64 students moved away, but 16 students moved in.
How many students are in the school now?
Show your work and write an equation to represent this problem
205
253 - 64 + 16 = 205 or
253 - 64 = 189 and 189 + 16= 205
Round 76 to the nearest 10
If the ones place is 5 or higher, you round up, so the nearest 10 is 80
Solve this subtraction problem using one of the subtraction strategies you have learned. Show your work!
91 - 19 =
Use a more efficient strategy than counting on by ones or the standard algorithm.
91 - 19 = 72
Which has the closest sum to 500
A. 200
B. 700
C. 450
D. 560
A. 200 and C. 450
You need to add 2 numbers together to get the closest sum to 500
True or False
139+ 141 = 140+ 142
False
139 + 141= 280
140+ 142= 282
These do not equal the same amount, so the answer is False
This month, Taylor Swift and Billie Eilish had a contest to see who could sing the most songs. By the end of the month, Taylor Swift had sung 194 songs, and Billie Eilish had sung 158 songs. Show your work!
1. Who sang the most songs and won the contest?
2. How many more songs did the winner sing?
Taylor Swift
She sang 36 more songs than Billie Eilish
Round 542 to the nearest 10
If the tens place is 5 or higher, you round up, so you will need to round down to the nearest 10 so the answer is 540
Solve this addition problem using one of the addition strategies you have learned. Show your work!
875 + 16 =
Use a more efficient strategy than counting on by ones or the standard algorithm.
875 + 16 = 873
Fill in the blank
543 + 529 = ____ + 530
543 + 529 = 1,072
___ + 530 = 1,072
Blank = 542
To get this answer, you have to subtract 1,072 - 530 = 542
True or False
231- 219 = 232 - 220
True
231- 219 = 12
232 - 220 = 12
These equal the same amount, so the answer is True
This month, Miley Cyrus and Selena Gomez had a contest to see who could write more songs. By the end of the month, Miley Cyrus had written 637 songs, and Selena Gomez had written 674 songs.
1. Who wrote the most songs and won the contest?
2. How many more songs did the winner write?
Selena Gomez
She wrote 37 more songs than Miley Cyrus
Round 812 to the nearest 10
If the tens place is 5 or higher, you round up, so you will need to round down to the nearest 10, so the answer is 810
Solve this addition problem using one of the addition strategies you have learned. Show your work!
263 + 498 =
Use a more efficient strategy than counting on by ones or the standard algorithm.
263 + 498 = 761
Which has the closest sum to 2,000
A. 100
B. 900
C. 750
D. 880
B. 900 and D. 880
You need to add 2 numbers together to get the closest sum to 2,000
True or False
123 - 109 = 122- 110
False
123 - 109 = 14
122 - 110 = 12
These do not equal the same amount, so the answer is False
Meroby's third grade had 363 students last year. Over the summer, 94 students moved away, but 26 new students moved in.
How many students are now in their third-grade class?
295
363 - 94 + 26 = 295 or
363 - 94 = 269 and 296 + 26= 295
Round 812 to the nearest 100
If the tens place is 5 or higher, you round up, so you will need to round down to the nearest 10, so the answer is 800
Solve this subtraction problem using one of the subtraction strategies you have learned. Show your work!
182 - 27 =
Use a more efficient strategy than counting on by ones or the standard algorithm.
182 - 27 = 155
Fill in the blank
543 - 529 = ____ - 530
543 - 529 = 14
___ - 530 = 14
Blank = 544
True or False
329 + 113 = 330 + 112
True
329 + 113 = 442
330 = 112= 442
These equal the same amount, so the answer is True
Ms. Amy, Miss. Pelletier and Miss. Howes had a competition to see who could read more pages in a book. Ms. Amy read 674 pages, Miss. Pelletier read 0 pages, and Miss. Howes read 637 pages.
1. Who read the most pages and won the contest?
2. How many more pages did the winner read?
Ms. Amy won!
She read 37 more pages than Miss. Howes and Miss. Pelletier
Round 3,278 to the nearest 10
If the tens place is 5 or higher, you round up, so you will need to round up to the nearest 10 so the answer is 3,280
Solve this subtraction problem using one of the subtraction strategies you have learned. Show your work!
224 - 115 =
Use a more efficient strategy than counting on by ones or the standard algorithm.
224 - 115 = 109
Which has the closest sum to 700
A. 560
B. 400
C. 270
D. 442
C. 270 and D. 442
You need to add 2 numbers together to get the closest sum to 700