Vocabulary
What word means to subtract?
Difference
2.4 ____ 8.4
<
Use mental math to find the sum of $4.25 and $0.75 (round to the nearest dollar).
$5
Round 14.02 to the nearest WHOLE NUMBER.
14
Melissa drove 8.02 miles on Monday and 2.5 miles on Tuesday. What is the sum?
Solve and show your work!
10.52
What word means to add?
Sum
5.81 ____ 5.01
>
Use mental math to find the sum of $4.25, $1.75 and $4.00 (round to the nearest dollar).
$10
Round 167.89 to the nearest WHOLE NUMBER.
168
Solve and show your work!
5.279 + 29.8 =
35.079
When adding or subtracting numbers, be sure to line up the _____ and _____ _____ to guarantee that your answer will be correct.
Decimals and place values
2.14 ____ 2.1400
=
Use mental math to find the sum of $5.29 and $2.35 (round to the nearest tenths place).
$7.70
Round 22.45 to the nearest TENTH.
22.5
Solve and show your work!
12.21 - 7.99 =
4.22
When I compare numbers I always check the _____ _____ to see which number would be bigger. (Hint: two words)
Place Value
0.442 ____ 44.20
<
Use mental math to find the sum of $15.19, $2.45, and $4.11 (round to the nearest tenths place).
$21.80
ESTIMATE to the nearest whole number. Show your work!
29.57 + 102.23 =
30 + 102 = 132
21 - 7.21 =
13.79
When I add zeros for a missing digit when looking at the place values, they are called _____ zeros.
Annex zeros
72.314 ____ 72.139
>
Use mental math to find the sum of $4.28, $21.35, and $14.65 (round to the nearest tenths place).
$40.40
ESTIMATE to the nearest whole number. Show your work!
10.82 - 3.21 =
11 - 3 = 8
Mrs. Russell sold 6.8 pounds of apples and Ms. Fernandez sold 60.44 pounds of apples at the farmer's market last weekend. How many more apples did Ms. Fernandez sell than Mrs. Russell?
Solve and show your work!
53.64 more apples