Rounding
Round 55 to the nearest ten.
60
Add 45 + 79.
124
Estimate the sum of 67 + 25 by rounding to the nearest hundred.
100
Subtract 48 - 9 using mental math.
48 - 8 - 1
48 - 8 = 40
40 - 1 = 39
What is the value of the 8 in the number below?
789
80
Round 245 to the nearest hundred.
200
Add 570 + 672.
1,242
Estimate the difference of 89 - 67 by rounding to the nearest ten.
20
Subtract 567 - 399.
168
What place is the number 6 located in?
6,790
The thousands place.
Round 1,986 to the nearest ten.
1,990
1,024 + 1,101
2,125
Kevin saw a shirt for $45 and a pair of shoes for $154. About how much money does Kevin need to purchase both items? (Round to the nearest ten.)
He needs about $200.
Kennedy went to Dave and Busters with 178 points on her card. She spent 95 points on playing games. How many points does she have left on her card?
She had 83 points left.
Fill in the blank with =, <, or >.
2,891 ___ 2,799
2,891 > 2,799
Round 5,350 to the nearest hundred.
5,400
10,340 + 13,120
23,460
Estimate by rounding to the nearest hundred. 567 + 1,250
1,900
Subtract 5,456 - 1,789.
3,667
a. 400 + 500 + 60 + 7
b. 4,000 + 500 + 60 + 7
c. 4,000 + 50 + 60 + 7
d. 4,000 + 500 + 6 + 7
b. 4,000 + 500 + 60 + 7
Round 45,152 to the nearest ten and nearest hundred.
Nearest ten: 45,150
Nearest hundred: 45,200
Add 6,985 + 10,678.
17,663
Estimate by rounding to the nearest hundred. 2,894 - 1,872
1,000
Subtract 56,000 - 43,872.
12,128
Fill in the blank with =, <, or >.
67,478 ___ 67,487
67,478 < 67,487