34 × 27
918
6+42−5
=6+16−5
= 17
A notebook has 72 pages. How many digits are needed to number all the pages from 1 to 72?
A bus ticket costs 75¢. The price increases to 80¢.
How much more would 30 tickets cost?
$1.50
In Ms. Carter’s class, Ava is 12th from the front of the line and 8th from the back.
How many students are in the line?
19
58 × 63
3,654
18÷(3×2)+7
=18÷6+7
=3+7
= 10
A workbook has 98 pages. How many digits are needed to number the pages?
. Workbook with 98 pages
A pencil costs 12¢, but the price increases to 15¢.
How much more would a box of 40 pencils cost?
$1.20
Mr. Johnson’s students line up after recess.
Marcus is 9th from the front and 14th from the back.
How many students are in line?
22 students
47 × 125
5,875
(12−3)2÷9
=92÷9
=81÷9
= 9
Of all the numbers 9 to 99, how many times does the digit "9" appear?
20 times
9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 (twice in 8=99)
A snack costs 40¢, and the price increases to 95¢.
How much more would buying 25 snacks cost?
$13.75
During dismissal, Ms. Lee’s class lines up.
Sofia is 7th from the front and 13th from the back.
How many students are there?
19 students
326 × 248
80, 848
52+36÷(8−2)×3
25+36÷6×3
=25+6×3
=25+18
= 43
Of all the numbers from 5 to 55, how many times does the digit 5 appear?
12
A train token costs $1.25, but the price increases to $1.40.
How much more would a pack of 60 tokens cost?
$9.00
At the assembly, a mixed group of students lines up.
Jason is 18th from the front and 22nd from the back.
How many students are in the line?
39
450 × 31
13,950
(14−6)2+48÷(3×2)−5
=82+48÷6−5
=64+8−5
=72−5
= 67
Of all the numbers 10 to 99, how many times did the digit "1" appear?
It appears 19 times
(10,11,12,13,14,15,16,17,18,19,21,31,41,51,61,71,81,91)
A printer label costs 18¢, and the price rises to 25¢.
How much more would it cost to buy a roll of 120 labels?
$8.40 more
For picture day, students line up tallest to shortest.
Liam is 25th from the front and 17th from the back.
How many students are lined up?
41 students