Estimation
4 × ___ = 20
5
6 x 7
42
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
___ × 6 = 42
7
8 x 8
64
Ms. C made 47 chocolate chip cookies, and each cookie has 12 chocolate chips. Estimate how many chocolate chips she used.
About 500.
Estimate 56 x 4 by rounding to the highest place.
200
8 × ___ = 64
8
8 x 7
56
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
Estimate 5 x 1,234 by rounding to the highest place.
6,000
___ × 9 = 72
8
9 x 6
54
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
Estimate 6 x 9,345 by rounding to the highest place.
56,000
4,382 x 7 =
30,674
7 × ___ = 84
12
12 x 5
60
A girl scout troop sells 425 boxes of Thin Mints and 3 boxes of Caramel de Lites in 1 week. How many boxes of cookies do they sell in 4 weeks?
1,712 boxes of cookies