Multiplying by 10's, 100's, & 1,000's
4 x 10 =
40
41 x 2 =
82
231 x 4 =
924
Round to the nearest Hundred:
497 x 8 =
What is the Estimated answer? Will this be over or under the exact answer?
4,000
Over
10 x 7 =
70
138
1,259 x 5 =
6,295
Round to the nearest Ten:
643 x 6 =
What is the Estimated answer? Will this be over or under the exact answer?
3,840
Under
200 x 4 =
800
68 x 5 =
340
325 x 2 +
650
Round to the nearest Thousand:
2,378 x 9 =
What is the Estimated answer? Will this be over or under the exact answer?
18,000
Under
5 x 400 =
2,000
76 x 4 =
304
2,014 x 4 =
8,056
Round to the nearest Hundred:
624 x 7 =
What is the Estimated answer? Will this be over or under the exact answer?
4,200
Under
2 x 2,000 =
4,000
Johnny has 208 coins. Jordan has 3 times as many coins. How many coins does Jordan have?
624 coins
Joy has 1,055 stickers in an album. How many stickers will she have in 4 albums?
4,220 stickers
If Class B collects 1,180 coins and Class C collects 845. About how many coins will they collect after 3 weeks? Estimate to find your answer.
6,000 coins