Addition
155 + 165
320
644 - 135
509
Round 336 to the nearest hundred.
300
Union East and Cheektowaga Middle went on a field trip. There are 427 students going from Union East and 298 students going from Cheektowaga Middle.
About how many students are on the field trip? _____
Write a sentence to explain your thinking.
About 700 or About 730
I think this because 427 is close to 400 and 298 is close to 300. 400 plus 300 is 700.
There are 98 crayons in a supply box. 5 students each take 7 pencils from the bag. The number of pencils left in the bag is p.
Which equation represents the situation?
A) 98 - 7 = p
B) 7 x p = 98 - 5
C) 98 + (5x7) = p
D) p = 98 - (5x7)
D) p = 98 - (5x7)
537 - 299
238
Round 236 to the nearest ten.
240
Union East and Cheektowaga Middle went on a field trip. There are 427 students going from Union East and 298 students going from Cheektowaga Middle.
You estimated around 700 kids were going on the field trip.
How many students are on the field trip? Show or explain your thinking.
725 students are on the field trip
Henry has 85 pieces of candy. He buys 5 more packs of smarties with 10 in each pack. His total number of candy is c.
Which equation represents the situation?
A) 85 + 10 = c
B) 10 x c = 85 + 5
C) 85 + ( 5x10 ) = c
D) c = 85 - ( 5x10 )
C) 85 + ( 5x10 ) = c
541 - 228
313
Round 26 to the nearest hundred
0
Round 849 to the nearest hundred.
800