Round to Tens
73
70
275
300
Round 8,912 to the nearest thousand
9,000
Gadiel has 75 rocks in her rock collection. His mom brings home 18 more. Rounding to the nearest ten, about how many rocks does Gadiel have?
80+20=100
Round 198 to the nearest hundred.
200
47
393
400
Round 1,689 to the nearest thousand
2,000
Mrs. Kolakowski has 189 books at home. She bought 93 more at the book fair. Rounding to the nearest hundred, about how many books does Mrs. Kolakowski have now?
200+100=300
Mrs. Seals has 42 spelling test to grade and 23 science test to grade. About how many tests does Mrs. Seals have to grade?
40+20=60
14
10
699
700
Round 2,399 to the nearest thousand
2,000
Mrs. Seals has 112 spiral notebooks. About how many spiral notebooks does Mrs. Seals have? Round to the nearest 100.
Nearest hundred: 100
Round 3,621 to the nearest thousand
4,000
61
412
400
Round 6,548 to the nearest thousand
7,000
Mrs. Kolakowski has 19 llama items in her classroom. She brings 13 more from home. About how many llama items does Mrs. Kolakowski have at school now?
20+10=30
Round 5,421 to the nearest ten.
5,420
98
100
723
700
Round 3,175 to the nearest thousand
3,000
Naomi had 455. Jesse had 145 stamps. Show number sentence that shows the most reasonable estimate for the difference in the amount of stamps.
460-150=310
Round 4,999 to the nearest hundred.
5,000