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Homework Practice

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The Surajkund Fair Practice 2: Apply and Think

Concept Check

Question 1mcq
What comes next in the pattern: 5, 10, 15, 20, __?
A.2121
B.3030
C.2525
D.1515
Question 2mcq
Which is the best estimate for 49+3149 + 31?
A.about 2020
B.about 200200
C.about 88
D.about 8080
Question 3mcq
In a The Surajkund Fair activity, Rohan has 2424 stickers and gives 77 to his sister. How many stickers are left?
A.1717
B.3131
C.−17-17
D.2222
Question 4mcq
A student says 36+20=3836 + 20 = 38. What mistake did the student make?
A.They subtracted 20 correctly.
B.They added 2 instead of adding 20.
C.They counted the tens correctly.
D.There is no mistake.
Question 5mcq
What comes next in the pattern: 5, 10, 15, 20, __?
A.2121
B.3030
C.2525
D.1515

Apply and Think

Question 6mcq
Which is the best estimate for 49+3149 + 31?
A.about 2020
B.about 200200
C.about 88
D.about 8080
Question 7mcq
In a The Surajkund Fair activity, Rohan has 1212 stickers and gives 1515 to his sister. How many stickers are left?
A.−3-3
B.2727
C.33
D.22
Question 8mcq
A student says 36+20=3836 + 20 = 38. What mistake did the student make?
A.They subtracted 20 correctly.
B.They added 2 instead of adding 20.
C.They counted the tens correctly.
D.There is no mistake.
Question 9mcq
What comes next in the pattern: 5, 10, 15, 20, __?
A.2121
B.3030
C.2525
D.1515
Question 10mcq
Which is the best estimate for 49+3149 + 31?
A.about 2020
B.about 200200
C.about 88
D.about 8080