1. Which number sentence shows how 7 students could share 35 pieces of candy equally?
A) 35+7=
B) 35 x 7=
C) 35/7=
D) 35-7=
2. It takes 3 students a total of 15 minutes to work their math problems and 4 students a total of 20 minutes to work their math problems. Which statement describes how long it takes students to work their math problems?
A) The number of minutes equals 5 times the number of students.
B) The number of minutes equals 5 plus the number of studnets.
C) 15+20=35
D) Add 15 each time.
3. Mrs. Stephens' math class is studying the commutative propert.y. She asked students to write a multiplication number sentence to show this property. Which student's number sentence shows the commutative property?
A) Alice's number sentence: 5x25=125
B) Tom's number sentence: 5x25=25x5
C) Alex's number sentence: 125 / 5=25
D) Jankeisha's number sentence: 5 x25 =125 /5
4. Which of the examples below shows the commutative property of multiplication?
A) 4x5=5x4
B) 4+5=5+4
C) 4+5+5+4
D) 4x5=20
5. Sally has 28 bugs in her bug collection. She collected two of them yesterday. Which number sentence describes the number of bugs she had on the day before yesterday?
A) 28x2=
B) 28+2=
C) 28-2=
D) 28 / 2=
6. 71 = 68
A) 137
B) 149
C) 139
D) None of these
7. 247-36
A) 283
B) 111
C) 211
D) None of these
8. 4,027+1,103
A) 5,103
B) 6,103
C) 5,130
D) None of these
9. Use estimation to answer: The teacher asked Sharon to find the addition problem that has a sum closest to 400. What problem did she choose?
A) 385+192
B) 140+222
C) 198+210
D) 240+278
10. Use estimation to answer. Which of the following should Ramon use to estimate the sum of 407+392
A) 500+400
B) 400+300
C) 500+300
D) 400+400
11. Use estimation to find the answer. There were 4285 tickets sold for the hockey finals. Round 4286 to the nearest 10.
A) 4000
B) 4280
C) 4300
D) 4290
12. Use estimation to find the answer. Carlos correctly used rounding to estimate the product of 29 x 31. Which of these shows his work?
A) 30x30=900
B) 30x40=1200
C) 20x30=600
D) 20x40=800
1.C 2.A 3.B 4.A 5.C 6.C 7.C 8.C 9.C 10.D
11.D 12.A