Question 1 (1 point)
Add:
[tex]26{,}578 + 38{,}645 =[/tex]
Question 2 (1 point)
Subtract:
[tex]70{,}000 - 34{,}826 =[/tex]
Question 3 (1 point)
What number goes in the box?
[tex]12{,}400 + \boxed{\phantom{0}} + 9{,}300 = 40{,}000[/tex]
Question 4 (1 point)
Peter worked out [tex]81{,}205 - 46{,}738 = 34{,}467[/tex].
Which addition checks whether he is right?
Question 5 (2 points)
A publisher plans to print [tex]90{,}000[/tex] books. In March it printed [tex]35{,}480[/tex] books and in April [tex]12{,}615[/tex] books. How many books are still to be printed?
Answer:
Question 6 (1 point)
Which sum is the greatest? Find the answer without calculating.
Question 7 (1 point)
Add:
[tex]9{,}810 + 4{,}225 + 9{,}346 =[/tex]
Question 8 (1 point)
Which way makes [tex]4{,}700 + 8{,}265 + 5{,}300[/tex] easiest to add?
[tex](4{,}700 + 5{,}300) + 8{,}265[/tex]
[tex](4{,}700 + 8{,}265) + 5{,}300[/tex]
[tex](8{,}265 + 5{,}300) + 4{,}700[/tex]
[tex]4{,}700 + (8{,}265 - 5{,}300)[/tex]
Question 9 (2 points)
A stadium sold [tex]28{,}471[/tex] tickets on Friday and [tex]8{,}902[/tex] more tickets on Saturday than on Friday. How many tickets were sold on the two days together?
Answer:
Question 10 (1 point)
Which number is [tex]3{,}000[/tex] more than [tex]58{,}400[/tex]?
Question 11 (1 point)
What number goes in the box?
[tex]52{,}130 - \boxed{\phantom{0}} = 27{,}645[/tex]
Question 12 (1 point)
Which statement is true?
[tex]56{,}000 - 20{,}000 = 20{,}000 - 56{,}000[/tex]
[tex]47{,}000 - 47{,}000 = 47{,}000[/tex]
[tex]47{,}000 + 1 = 47{,}000[/tex]
[tex]0 + 47{,}000 = 47{,}000[/tex]
Question 13 (2 points)
A warehouse had [tex]64{,}325[/tex] boxes. It shipped out [tex]12{,}078[/tex] boxes in the morning and [tex]5{,}192[/tex] boxes in the afternoon. How many boxes are left?
Answer:
Question 14 (1 point)
The difference of the numbers [tex]41{,}142[/tex] and [tex]18{,}942[/tex] is:
Question 15 (2 points)
What number goes in the box?
[tex] + 26{,}908 = 71{,}350[/tex]
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Adding and Subtracting within 100