WorksheetsChapter 3 Lessons 1-2
Total questions: 10
Worksheet time: 50mins
71-37=
Round to the nearest 10, then estimate: 642 − 137=
Round to the nearest hundred, then estimate: 642 − 137=
Round to the nearest ten, then estimate: 546 −209=
Polk Elementary School has 413 students. Grant Elementary School has 278 students. About how many more students attend Polk Elementary School than Grant Elementary School?
Which shows the best way to estimate the difference?
613-178=
500-200=
600-100=
500-200=
600-200=
Select the equation that can be used to check the answer to 724-129=
595-129= 724
129-595=724
724+595=129
129+595=724
Select the equation that can be used to check the answer to 830-527=
527+303=830
527-303=830
303-527=830
830+303=527
Write the inverse operation that would help you check the answer to 658-155=
(a)
There were 570 seashells on the seashore, 278 of the seashells washed away. About how many seashells were still on the shore?
848
748
292
300
