Question 1 (1 point)
Add:
[tex]47{,}351 + 23{,}479 =[/tex]
Question 2 (1 point)
Subtract:
[tex]60{,}004 - 27{,}358 =[/tex]
Question 3 (1 point)
What number goes in the box?
[tex]\boxed{\phantom{0}} + 26{,}145 = 50{,}000[/tex]
Question 4 (1 point)
Maria added [tex]34{,}268 + 15{,}732[/tex] and got [tex]50{,}000[/tex].
Which subtraction checks whether she is right?
Question 5 (2 points)
A stadium has [tex]62{,}432[/tex] seats. [tex]27{,}220[/tex] tickets were sold online and [tex]221[/tex] more at the box office. How many seats are still free?
Answer:
Question 6 (1 point)
Which difference is the greatest? Find the answer without calculating.
Question 7 (1 point)
Add:
[tex]18{,}063 + 10{,}400 + 24{,}509 =[/tex]
Question 8 (1 point)
Which is the easiest way to work out [tex]39{,}998 + 24{,}567[/tex]?
Question 9 (2 points)
A library had [tex]45{,}900[/tex] books. During the year it bought [tex]3{,}250[/tex] new books and removed [tex]1{,}475[/tex] damaged ones. How many books does the library have now?
Answer:
Question 10 (1 point)
Which sum is equal to [tex]47{,}325[/tex]?
Question 11 (1 point)
What is the missing number?
[tex]18{,}425 - \boxed{\phantom{0}} = 1{,}853[/tex]
Question 12 (1 point)
Which statement is true?
[tex]25{,}000 - 13{,}000 = 13{,}000 - 25{,}000[/tex]
[tex]25{,}000 + 0 = 0[/tex]
[tex]25{,}000 + 13{,}000 = 13{,}000 + 25{,}000[/tex]
[tex]25{,}000 - 0 = 0[/tex]
Question 13 (2 points)
A factory made [tex]28{,}640[/tex] bottles in January and [tex]5{,}380[/tex] fewer bottles in February. How many bottles did it make in the two months together?
Answer:
Question 14 (1 point)
The difference of the numbers [tex]52{,}406[/tex] and [tex]18{,}529[/tex] is:
Question 15 (2 points)
What number goes in the box?
[tex] - 14{,}609 = 27{,}385[/tex]