Comparison of Numbers with Addition and Subtraction, Third Grade Math Test, Free Math Test

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This is a free online math test for third grade students. In each question you compare two expressions built from addition and subtraction of numbers up to 1,000, and choose the number, the sign or the statement that makes the comparison true. Some questions can be answered by reasoning about the numbers instead of calculating both sides.

Question 1 (1 point)

Which number makes this statement true?
[tex]499 - 303 > 90 + \boxed{\phantom{0}}[/tex]

106

100

108

115

Question 2 (1 point)

Which number makes this statement true?
[tex]768 - 512 < 128 + \boxed{\phantom{0}}[/tex]

120

126

128

135

Question 3 (1 point)

Which number makes this statement true?
[tex]412 - \boxed{\phantom{0}} > 123 + 233[/tex]

Question 4 (1 point)

Without calculating, which sign makes this statement true?
[tex]345 + 128 \; \boxed{\phantom{0}} \; 345 + 130[/tex]

[tex]>[/tex]

[tex]=[/tex]

[tex]<[/tex]

It cannot be decided without calculating.

Question 5 (1 point)

Which statement is true?

[tex]532 - 275 < 130 + 130[/tex]

[tex]624 - 318 > 150 + 160[/tex]

[tex]900 - 450 > 225 + 225[/tex]

[tex]481 + 209 < 700 - 15[/tex]

Question 6 (1 point)

Write the greatest number that makes this statement true:
[tex]231 + [/tex] [tex] < 608[/tex]

Question 7 (1 point)

Mia read 268 pages of her book. Noah read 175 pages of one book and 88 pages of another. Who read more, and by how many pages?

Noah, by 5 pages

Mia, by 5 pages

Mia, by 15 pages

They read the same number of pages.

Question 8 (1 point)

A library has 415 adventure books, 168 mystery books and 190 poetry books. How many more adventure books are there than mystery and poetry books together?

Answer:

Question 9 (2 points)

Which number makes this statement true?
[tex]666 - 111 - 222 > 111 + 121 + \boxed{\phantom{0}}[/tex]

101

300

320

Question 10 (1 point)

Which sign makes this statement true?
[tex]473 + 256 \; \boxed{\phantom{0}} \; 900 - 171[/tex]

[tex]<[/tex]

[tex]>[/tex]

[tex]=[/tex]

None of these.

Question 11 (1 point)

Which number makes this statement true?
[tex]757 - 238 < \boxed{\phantom{0}} + 188[/tex]

300

329

331

340

Question 12 (1 point)

Which number does not make this statement true?
[tex]190 + \boxed{\phantom{0}} < 545 - 130[/tex]

200

210

220

225

Question 13 (2 points)

Which expression has the greatest value?

[tex]506 - 249[/tex]

[tex]138 + 124[/tex]

[tex]700 - 445[/tex]

[tex]90 + 169[/tex]

Question 14 (1 point)

Write the smallest number that makes this statement true:
[tex]482 - 195 < [/tex] [tex] + 200[/tex]

Question 15 (2 points)

A farm shop sold 324 pounds of apples on Saturday and 268 pounds on Sunday. A second shop sold 615 pounds of apples over the same two days. How many more pounds did the second shop sell?

Answer:

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Comparison of Numbers with Addition and Subtraction, Third Grade Math Test

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