Vocabulary
When you ___ 100 from 400, the difference is 300.
Subtract
7 is in what place value of the following number: 7,004
Thousands
120+260
380
370-240
130
Gordon baked 346 blueberry muffins and 287 bran muffins. How many muffins did he bake in all?
346+287=633
The number 732 is equal to 7 ____, 3 tens, and 2 ones.
Hundreds
Give a verbal description of a place value drawing for the following number: 285
2 Hundreds 8 tens 5 ones
440+121
561
267-125
143
Nathan counted 28 large dogs and 37 small dogs at the dog park. How many dogs were at the dog park in all?
28+37=65
To find an answer that is close to the exact answer, you can ___.
Estimate
Give a verbal description of a place value drawing for the following number: 1,760
1 thousands 7 hundreds 6 tens
772+129
901
800-684
116
The pet supermarket sold 312 bags of pet food in all. If 245 bags were dog food, how many bags of cat food did they sell?
312-245=67
To estimate easier, you can ___ each number to perform the mental math.
Round
Round this number to the nearest tens place: 9,586
9,590
831+129
960
617-549
68
Of the 212 third- and fourth-grade students, 165 attended the school festival. How many students did not attend the festival?
212-165=47
This describes numbers through drawing, expanded form, standard form, and ___ ____ representations.
Place Value
Round this number to the nearest hundreds place: 651
700
Estimate the sum of 654 and 142 by rounding to the nearest hundred.
800 - Actual answer is 796
900-754
146
Veronica has 425 baseball cards. She gave 125 of them to her brother. Veronica's cousin gave her 285 baseball cards. Veronica says she now has 833 baseball cards. Is her answer reasonable and check her math.
425-125=300
300+285=585
Her answer is not reasonable