Adding
Units of measurement
Rounding numbers
Place Value
Subtract
100
What is the estimated sum of the numbers if they were rounded to the nearest ten?
267+752?
270+750=1,020
100
The clock show what time Mr. Rivas leaves work. He gets home 32 minutes later. What time does he get home?
Mr. Rivas gets home at 8:54.
100
Round the number 50 to the nearest ten.
60
100
What is the standard form of 65,321?
60,000+5,000+300+20+1
100
Find difference between 100-89?
11
200
What is the sum of 876+564?
876+564=1,440
200
Mr. LaCour goes to the gym and lifts a weight of 35 kilograms 4 times. How much weight does he lift in total?
140 Kilograms
200
Round the number 345 to the nearest hundred.
300
200
What is the expanded notation for 65,231?
(6x10,000)+(5x1,000)+(2x100)+(3x10)+(1x1)
200
What is the difference in 650-186?
464
300
What is the sum of 1,432+4,987?
1,432+4,987=6,419
300
Mr. Rivas drinks 597 mL of water in the morning and 842 mL of water in the afternoon. How much water does Mr. Rivas drink in one day?
1,439 mL
300
Estimate the sum of 543+298 to the nearest ten.
540+300=840
300
Write number in standard form:
70,000+4,000+500+30+9
74,539
300
Find the difference. 700-667?
33
400
Mr. LaCour goes to the store and buys a bag of 4,876 skittles. Mr. Rivas goes to a different store and buys a bag of 6,965 skittles. How many skittles do Mr. LaCour and Mr. Rivas have all together?
11,841 skittles
400
Mr. LaCour drinks 3 bottles of 2 L of water during his daily 3 hour workout. How many liters of water does Mr. LaCour drink during 6 days of working out?
36 liters of water
400
Estimate the difference of 425-267 to the nearest hundred.
400-300=100
400
Compare the numbers:
(2x10,000)+(4x1,000)+(6x100)+(3x10)+(2x1)
8 ten thousands 2 thousands 6 hundreds 7 tens 4 ones
24,632 < 82,674
400
Mr. LaCour loves oranges and while at the store he buys 800 oranges. He brings them to school and gives one to each student and staff member. He now has 243 oranges left. How many oranges did he give away?
800-243=557
Mr. LaCour gave away 557 oranges.
500
Mr. Rivas found a drawer with 2,897 pencils. Mr. LaCour only has about 969 pencils. If Mr. Rivas gives Mr. LaCour 1,999 pencils, how many pencils will Mr. LaCour have total?
2,968 pencils.
500
Mr. Rivas needs to bake two different cakes. One cake needs 2L 750 mL of milk while the other cake needs 3L 589 mL of milk. How much total milk does Mr. Rivas needs?
Mr. Rivas will need 6L 339 mL of milk.
500
Round 10,895 to the nearest ten.
10,900
500
FInd the sum of these two number.
(6x10,000)+(2x1,000)+(6x100)+(3x10)+(5x1)
+
(2x10,000)+(5x1,000)+(3x100)+(8x10)+(6x1)
62,635+25,386=88,021
500
Mr. Rivas was given 12,876 pencils. He gave away 892 pencils. He sold the rest of them and ended up with 298 pencils. How many pencils did Mr. Rivas sold?
Mr. Rivas sold 11,686.