R
62mL + 9mL=
71mL
52m+3m=
55m
621g+194g=
815g
29cm+63cm=
92cm
Estimate to the nearest 10.
307g-139g
310-140=170g
Natalie and Jen buy a small bag of popcorn and a pretzel at the movies. The pretzel weighs 63 grams more than the popcorn. The popcorn weighs 44 grams. What is the weight of the pretzel?
The pretzel weighs 107 grams.
Estimate by rounding to the nearest hundred. 807m-736m
Lesley is driving from San Francisco to Los Angeles. The total distance is 617 kilometers. She has 269 kilometers left to drive. How many kilometers has she driver so far?
She has driven 348 kilometers so far.
Estimate by rounding to the nearest ten.
629cm-268cm
630-270=360m
451m-334m=
117m
700kg-592kg=
108kg
Estimate 771m-445m rounded to the nearest 10.
770m-450m=320m
Janet watched a movie that is 94 minutes long on Friday night. She watched a movie that is 151 minutes long on Saturday night.
About how long did Janet spend watching movies altogether? Round to the nearest hundred.
100+200=300 minutes
Janet spent about 300 minutes watching movies.
346m-187m=
159m
The total weight of three books is 405g. If 2 books weigh 233 grams, how much does the third book weigh?
The third book weighs 172grams.
The total weight of a giraffe and her calf is 904 kilograms. The giraffe weighs 829 kilograms. How much does the calf weigh?
The calf weighs 75 kilograms.
Bob practices his trumpet for a total of 165 minutes the first week of school. He practices 245 minutes during the second week of school. Estimate the total amount of time he practiced by rounding to the nearest 100 minutes.
200+200=400
Bob practiced for about 400 minutes.
Chloe's jump rope is 408 cm. She cuts the rope into 3 pieces. The first two pieces are 187 cm altogether. How long is the third piece?
The third piece is 221cm long.
608g-120g=
488g
A magazine weighs 280 grams less than a newspaper. The newspaper weighs 454grams. How much does the magazine weigh?
The magazine weighs 174 grams.
Estimate to the nearest 10.
807g-329g
810-330=480g
A milk carton holds 169 mL more liquid than a juice box. If the juice box holds 235 mL, what is the total capacity of the juice box and the milk carton?
The total capacity of the juice box and milk carton is 639 mL.
The lengths of three banners are shown below.
Banner A: 437cm
Banner B: 457cm
Banner C:332cm
Estimate the total length of Banner A and C, rounding to the nearest 10.
440+330= 770cm
The total length of Banner A and Banner C is about 770cm.
It takes Sarah 25 minutes to mow the front yard. It takes her 27 more minutes to mow the back yard than the front yard. What is the total amount of time Sarah spends mowing the yard?
Sarah spends a total of 77 minutes mowing the yard.
Lane feeds her dog 156 kg of dog food a month. So far this month he has fed his dog 78 kg of dog food. How many more kg of dog food does Lane have left?
Lane has 78 kg of dog food left.