Gr 3
Use mental math to find the sum
64+36
100
Use mental math to find the difference:
60-19=
41
Use mental math to add:
1236+1234=
2470
Use mental math to find the difference:
1400-705=
695
Write "Seven thousand four hundred thirty two" in standard form
7432
Add:
227+169=
396
Subtract:
400-177=
223
Use mental math to find the difference:
3505-1606=
1899
Write these numbers in order from greatest to least: 3852, 3528, 3582
3852, 3582, 3528
Write 3456 in words
Three thousand four hundred fifty six
What are 3 different ways to make $3 using coins?
1 loonie + 1 toonie
or
3 loonies
or
12 quarters
or
10 quarters + 5 dimes
etc
Ms. Bellmond made 325 cookies. Students ate 115 cookies, and then Ms. Bellmond made 85 more. How many cookies were there in the end?
1000!
What is the largest 4-digit number you can make using the digits 8, 6, 5, and 2 once only?
8652
Eight thousand six hundred fifty two
Write 2345 in expanded form
2000+300+40+5
Use the digits 2, 4, 6 to make 3 digit numbers. Use each digit only once per number.
Find ALL the possible combinations.
642, 624
462, 426
264, 246
Two numbers, when using front-end estimation, add to 300. What two numbers could they be?
DAILY DOUBLE BONUS: When rounded to the NEAREST 100, assume these numbers also add to 400. What could these numbers be?
Many answers! examples: 120+260, 090+330
Bonus: example: 120+260
Ms. Bellmond used 250 stickers on Wednesday, 225 on Thursday, and 432 on Friday. How many more stickers did she use on Friday than on Thursday?
207!
In a contest, Spiderman popped 10 more balloons than Iron Man. In total, they both popped 90 balloons. How many balloons did each hero pop?
Spiderman popped 50 and Iron Man popped 40.
Half of 90 is 45.
Half of 10 is 5.
45+5 is 50 and 45-5 is 40. 40+50=90
What kind of question is it if you are trying to find the SUM?
DAILY DOUBLE BONUS: What kind of question is it if you are trying to find the DIFFERENCE?
Sum = Addition, plus
Difference = Subtraction, minus