PLUS 10
10 more than 250
350
10+0=
10, identity
Round to the nearest ten 27
30
Find the sum:
42+29
71
Estimate the sum for the Wallace family.
Dad traveled 398 miles , Wallace traveled 737 miles, and Brother traveled 1,106 miles. About how many miles did they travel all together?
2,200 miles
100 more than 856
956
4+5=
5+4=
9, communicative
round to the nearest hundred
1,256
1,300
find the sum:
327+252
579
Anson swam 28 laps last week and 24 laps this week. His goal is to swim 100 laps in 4 weeks. Will he reach his goal? Estimate to find the answer.
30+20=50+50
100 yes
1,000 more than 956
1,956
2+(8+1)=
11, associative
Round to the nearest Hundred
950
1,000
Find the sum:
1,424 +1,756
3180
Val spent $378 at the mall and her sister spent $291. About how much did they spend all together?
700
10 more than 999
1,009
55+0
55, identity
round to nearest ten
104
100
What could be 2 addends for 15?
8 and 7
The goal for attendance at the concert was 9,000 people. On Friday's concert 5,653 people attended. On Saturday's concert 4,059 people attended. About how many attended? Did they meet their goal?
6000+4000=10,000
yes
1,000 more 8,999
9,999
What is the light bulb for associative property?
()
Round to the nearest 100
729
700
What could be two addends for 9?
6,3
There are 1,649 cars on the lot and 2,881 trucks on the lot. How many all together?
4,530 cars and trucks