Ravinia Elementary has 3 fourth grade classrooms, and each classroom has 18 students. Estimate how many students are in the fourth grade at Ravinia Elementary.
about 60
200
Estimate 4 x 107 by rounding to the highest place.
400
200
47 x 8 =
376
200
50 x 45 =
2,250
200
Solve 5 x 314 using an area model.
1,570 (Ms. Ritter will check your work)
200
Ms. C made 47 chocolate chip cookies, and each cookie has 12 chocolate chips. Estimate how many chocolate chips she used.
About 500.
300
Estimate 56 x 82 by rounding to the highest place.
4,800
300
103 x 6 =
618
300
21 x 87 =
1,827
300
Solve 35 x 27 using splitting strategy.
945 (Ms. Ritter will check your work)
300
Ms. Seldon brings candy for her students. She has 21 students and each student gets 4 pieces of candy. How much candy did she bring?
84 pieces of candy
400
Estimate 15 x 38 by rounding to the highest place.
800
400
321 x 9
2,889
400
35 x 68 =
2,380
400
Solve 28 x 74 using an area model.
2,072 (Ms. Ritter will check your work)
400
Ms. C made 47 chocolate chip cookies, and each cookie has 12 chocolate chips. How many chocolate chips did she use? Find the exact answer.
563 chocolate chips
500
Estimate 165 x 534 by rounding to the highest place.
100,000
500
4,382 x 7 =
30,674
500
127 x 64 =
8,128
500
315 x 214 =
67,410 (Ms. Ritter will check your work)
500
A girl scout troop sells 425 boxes of Thin Mints and 211 boxes of Caramel de Lites in 1 week. How many boxes of cookies do they sell in 4 weeks?