Vocabulary
Round to the nearest hundred:
311
300
34 x 9
270
44 x 5
220
709 x 6
4,254
The art teacher ordered 101 boxes of markers and 101 boxes of chalk for his classroom. If each box contains 8 items, how many items did he order in all?
1,616 items
Solve using the distributive property:
75 x 4
300
826 x 7
5,600
222 x 7
1,554
905 x 5
4,525
Matt is running the family fun fair at the school. He collected about $65 in donations each month for the 7 months he was planning the fair. About how much money has Matt collected in donations?
About $490
Use an are model to solve: 24 x 5
120
Estimate 776 x 3
Is the estimate greater than or lower than the exact answer would be?
2,400
Greater than
362 x 5
1,810
5,079 x 8
40,632
Samantha bought a new bed. She paid $136 each month for 9 months, then $115 each month for 4 months. How much did the bed cost?
$1,684
What do you do when you see the word about?
Estimate
Estimate 5 x 6,225
Is the estimate greater than or less than the actual answer?
30,000
Less than
4 x 7,241
28,964
2,006 x 4
8,024
Mrs. Sand teaches 4 classes at the high school and 2 classes at the community center. There are 36 students in each class. How many students does she teach in all?
216 students
Solve using regrouping:
2,741 x 3
8,223
Estimate 94,324 x 4
Is the estimate greater than or less than the actual answer?
360,000
Less than
28,964 x 2
57,928
8,060 x 3
24,180
Alejandro owns 3 sets of trains. Jess owns 2 sets of trains. Each set has 18 cars. How many train cars do they have in all?
90 train cars