Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
17 + 23 → __________ + __________ = __________
Question 21
21.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
42 + 37 → __________ + __________ = __________
Question 22
22.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
38 − 14 → __________− __________ = __________
Question 23
23.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
9 + 63 → __________ + __________ = __________
Question 24
24.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
68 − 21 → __________ − __________ = __________
Question 25
25.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
12 + 82 → __________ + __________ = __________
Question 26
26.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
54 + 28 → __________ + __________ = __________
Question 27
27.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
46 + 31 → _______ + _______ = _______
Question 28
28.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
82 − 35 → _______ − _______ = _______
Question 29
29.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
57 − 9 → _______ − _______ = _______
Question 30
30.
Estimate the sum or difference by rounding to the nearest ten.
Example:
28 + 17 → __30__ + __20__ = __50__
54 + 17 → _______ + _______ = _______
Question 31
31.
Read the word problem, then write an equation to match.
Ms Houston baked 23 chocolate chip cookies and 28 peanut butter cookies. About how many cookies did Ms Houston bake altogether?
__________ __________ __________ = __________
Question 32
32.
Read the word problem, then write an equation to match.
Nicole has 27 butterfly stickers and 14 panda stickers. ABOUT how many more butter fly stickers does Nicole have than panda stickers?
__________ __________ __________ = __________
Question 33
33.
Read the word problem, then write an equation to match.
Kristian’s mom made 19 chicken tamales and 33 beef tamales. ABOUT how many tamales did she make?
__________ __________ __________ = __________
Question 34
34.
Read the word problem, then write an equation to match.
Jesus dropped 8 pencils on the floor in the morning. He dropped 13 pencils on the floor in the afternoon. ABOUT how many pencils did he drop on the floor?
__________ __________ __________ = __________
Question 35
35.
Read the word problem, then write an equation to match.
Stephanie ate 34 chocolate chips on Monday. She ate 53
chocolate chips on Tuesday. ABOUT how many more chocolate chips did she eat on Tuesday than Monday?
__________ __________ __________ = __________
Question 36
36.
Read the word problem, then write an equation to match.
Miguel danced for 22 minutes on Saturday. He danced for 45 minutes on Sunday! ABOUT how many minutes did he dance?
__________ __________ __________ = __________
Question 37
37.
Read the word problem, then write an equation to match.
Ernesto read 25 books in January. He read 22 books in February. ABOUT how many books did he read?
__________ __________ __________ = __________
Question 38
38.
Read the word problem, then write an equation to match.
Mrs. Murphy mowed her lawn for 48 minutes on Monday. She then mowed for 34 minutes on Tuesday. ABOUT how many more minutes did Mrs. Murphy mow her lawn on Monday than Tuesday?
__________ __________ __________ = __________
Question 39
39.
Read the word problem, then write an equation to match.
Micalea jump roped 48 times in a row. She then jumped 34 times in a row. ABOUT how many times did she jump?
__________ __________ __________ = __________
Question 40
40.
Read the word problem, then write an equation to match.
Lupe lost her glasses 14 times in December. She lost them 27 times in January. ABOUT how many times has she lost her glasses?
__________ __________ __________ = __________
Question 41
41.
Read the word problem, then write an equation to match.
Cristal has 237 hair clips. She also has 274 head bands. ABOUT how many hair accessories does she have?
__________ __________ __________ = __________
Question 42
42.
Read the word problem, then write an equation to match.
Vanessa has 148 pairs of pink earrings. She also has 361 pairs of hoop earrings. ABOUT how many more pairs of hoop earrings does she have than pairs of pink earrings?
__________ __________ __________ = __________
Question 43
43.
Read the word problem, then write an equation to match.
Alejandro scored 327 points on his video game on Saturday. He then scored 768 points on Sunday! ABOUT how many more points did Alejandro score on Sunday than Saturday?
__________ __________ __________ = __________
Question 44
44.
Read the word problem, then write an equation to match.
Anahi’s puppy went for 39 walks in February and 53 walks in January. ABOUT how many walks did he go on altogether?
__________ __________ __________ = __________
Question 45
45.
Read the word problem, then write an equation to match.
Dylan used his eraser 63 times last week. He used his eraser 39 times this week. ABOUT how
many more times has he used his eraser last week than this week?
__________ __________ __________ = __________
Question 46
46.
Read the word problem, then write an equation to match.
Landon drew 48 pictures in art class. But he drew 54 pictures at home. ABOUT how many pictures did he draw?
_______ + _______ = _______
Question 47
47.
Read the word problem, then write an equation to match.
Vanessa could do 14 karate kicks in January. She has gotten better and can do 38 karate kicks in February. ABOUT how many more karate kicks can she do in February than January?
_______ − _______ = _______
Question 48
48.
Read the word problem, then write an equation to match.
Jonathan has 25 freckles on his cheeks and 44 freckles on his nose. ABOUT how many frekcles does he have?
_______ + _______ = _______
Question 49
49.
Read the word problem, then write an equation to match.
Fabian read 46 pages of his book last week and 62 pages of his book this week. ABOUT how many more pages of his book did he read this week than last week?
_______ − _______ = _______
Question 50
50.
Read the word problem, then write an equation to match.
Mr. Glaeser taught 92 fifth grade students last year and 38 third grade students this year. ABOUT how many more students did Mr. Glaeser teach last year than this year?