Vocabulary
The answer to an addition problem.
sum
Estimate the sum:
23,765 + 16,987
20,000 + 20,000 = 40,000
Find 657+ 321 using expanded form.
600 + 50 + 7
300 + 20 + 1
900 + 70 + 8 = 978
456 - 231
225
Marci is a basketball player. During one week, she attempted 324 free throws. She missed 197 of the free throws. How many free throws did she complete.
324 - 197 = 127 free throws
The two numbers in an addition expression.
Addends
Estimate the difference:
3,876 - 1,276
4,000 - 1,000 = 3,000
Find 524+ 425 using expanded form
500 + 20 = 4
400 + 20 + 5
900 + 40 + 9 = 949
4,651 - 3,876
775
Jill's gym class lasted 50 minutes. She walked around the school track for the first 15 minutes. Then, she played kickball for 25 minutes. She got to play on the playground for the rest of class. After kickball, how long did Jill get to play on the playground?
50 - 15 = 35
35-25 = 10
10 minutes left to play on the playground.
The answer to a subtraction expression.
difference
Estimate: 456 + 234
500 + 200 = 700
134,765 + 23,654
158,419
49,087 - 7,987
41,100
Norma went to a gardening store. She bought a rake for $18 and a shovel for $23. At checkout, she used a coupon for $10 off. How much money did Norma spend at the gardening store?
$18 + $23 = $41
$41 - $10 = $31
Norma spent $31 at the gardening store.
To find an answer that is close to the exact answer.
Estimate
Estimate: 12,342 - 11,230
12,000 - 11,000 = 1,000
On rainy days, Lexi reads in her room to pass the time. Last year, she read 298 plays and 74 novels. How many books did she read in all?
298 + 74 = 372 books
Karen runs her own baking company. This morning, Karen's workers baked 62 key lime pies. They also baked some more after lunch. In total, they baked 899 key lime pies. How many key lime pies did Karen's workers bake after lunch?
899 - 62 = 837 pies
Jayce bought a new football jersey from a sporting goods website. The jersey was $24, and the shipping cost was $8. At checkout, Jayce received $10 off for shopping online. In the end, how much money did Jayce spend?
$32 - $10 = $22
In the end, Jayce spent $22.
Variable
Estimate:
209,876 + 152,876
200,000 + 200,000 = 400,000
Megan wrote 641 hit songs that made it on the best-seller charts. Something many people don't know, however, is that she also wrote 38 songs that were never released. How many songs did Megan write in all?
641 + 38 = 679 songs
A banana farm received a total of 398 millimeters of rain in March and April. If 97 millimeters of rain fell on the farm in March, how many millimeters of rain fell on the farm in April?
398 - 97 = 301 millimeters of rain
Darell's track practice lasted 40 minutes. First, the team stretched for 10 minutes. Then, they ran sprints for 15 minutes. They used the rest of the time to jog around the track. How much time did the team spend jogging around the track?
40 -10 = 30
30 -15 - 15
The team spent 15 minutes jogging around the track.