Mrs. Rottenberg has 708 books. About how many books does she have?
700 or 710 books
200
467+534
1,001
300
There were 879 leaves on a tree. After the storm 567 leaves were left on the tree. How many leaves fell off during the storm?
879-567=312 leaves
300
Which problem shows 567+704?
a. 5+6+7+7+0+4
b. 50+60+70+70+40
c. 500+700+60+7+4
c
300
405-156
249
300
Laurence ran 178 yards in his first football game. He ran 228 yards in his second football game. What is a reasonable total number of yards he ran in all? Explain your answer.
Answers will vary but should be around 400 yards. Actual answer is 406 yards.
300
389+648
1,037
400
PTO had 375 ice pops. They passed out 269 ice pops at the Fall Fest. How many ice pops did they have left?
375-269=106 ice pops
400
Explain what regroupings you will need to do to find the sum of 256+197.
Explanations will vary: regrouping needs to occur with the ones and tens.
400
780-452
328
400
Jacob had 126 points in his game on Monday. He had 57 points in his game on Wednesday. On Friday he had 68 points in his game. About how many points did Jacob score by the end of the week?
About 260 points
400
156+325
481
500
Bree read three nights in a row. She read 145 pages the first night, 106 pages the second night and 59 the third night. How many pages did she read in all?
145+106+59=310 pages
500
Solve this subtraction problem AND show what you would do to check your answer:
503-278
225
Add 278+225 to check! You should get 503 as your sum.