eQuizShow
Math Chapter Three
round to ten
Question: 68
Answer: 70
Question: 55
Answer: 60
Question: 98
Answer: 100
Question: 44
Answer: 40
Question: 65
Answer: 70
estimate to tens
Question: 96-78=
Answer: +298-80
Question: 67-38=
Answer: +269-40=29
Question: 82-25=
Answer: +587-30=57
Question: 31-27=
Answer: +334-30=4
Question: 82-76=
Answer: +486-80=6
estimate to hundreds
Question: 264-321=
Answer: 300-300=0
Question: 425-375=
Answer: 400-400=0
Question: 425-290=
Answer: 400-300=100
Question: 996-456=
Answer: 1000-500=500
Question: 799-299=
Answer: 800-300=500
how many do you add?
Question: 69-56=
Answer: +4
Question: 52-37=
Answer: +3
Question: 93-65=
Answer: +5
Question: 45-29=
Answer: +1
Question: 78-55=
Answer: +5
reasonable?
Question: Sam has 55 pencils and Julie has 62. Lenny thinks they have about 150. Is that reasonable?
Answer: no. 60+60=120
Question: Kylie has 36 flowers and gave away 12. Isabelle said she has about 30 left. Is it reasonable?
Answer: yes, 40-10= 30
Question: Joline made 25 art pictures and gave away 8. Sam thinks she has 33 all together. Is it reasonable?
Answer: No. added instead of subtracting
Question: Isabelle invited 32 kids to her party. 6 were not able to make it. Judy says that there are 38 kids at the party. Is it reasonable?
Answer: No, added rather than subtracting
Question: Oscar got 58 problems done on IXL, Deacon got 59 done and Emma got 63 done . Sam thought that Emma worked 10 more problems than Oscar. is it reasonable?
Answer: No, 58+10= 68 not 63