If the rule is -5 and the in number is 6, what is the out number?
What is 1?
100
The method that splits apart the 100s, 10s, and 1s separately before adding the final sum.
What is the partial sums method?
100
Mack had 36 seashells. 19 of them were in a box. This is the number of seashells NOT in the box.
What are 14 seashells?
100
Use a mental math strategy to solve: 59 + 83 =
What is 142?
200
If 8 + _______ = 15, then 800 + ______ = 1,500
What is 700?
200
If the rule is +9 and the in number is 13, what is the out?
What is 22?
200
Using the partial sums method add these together 243 + 381
What is 200 + 300 = 500, 40 + 80 = 120, and 3+1 = 4, which equals 624?
200
Teagan did gymnastics for 45 minutes on Tuesday and 30 minutes on Thursday. These are the total number of minutes she practiced her gymnastics.
What is 1 hour and 15 minutes or 75 minutes?
200
Use mental math to solve 652 - 364 =
What is 288?
300
If 6 + ______ = 12, then 6,000 + _______ = 12,000
What is 6,000?
300
If the rule is -10 and the out is 35, what is the in number?
What is 45?
300
The ballpark estimate to the nearest hundreds of 562 - 385 =_____.
What is 200?
300
Carter, Francesca, Jack, and Sasha all share their money evenly. This is how much each person would get if they had $10.00
What is $2.50?
300
Use mental math to solve 537 + 196 =
What is 733?
400
If 16 - 8 = ______, then 36 - 8 = ________.
What is 18?
400
If the in number is 34 and the out is 56, what is the rule?
What is adding 22?
400
If I use the counting up method, my answer to this problem would be ____________? 326 - 145
What is What is 5 + 100 + 50 + 20 + 6 = 181?
400
Alex spends $7.55 at the market. He pays with a $10.00 bill. This is the change that he will get back.
What is $2.55?
400
Solve using mental math 913 - 456 =
What is 457?
500
If 12 - 7 = ______, then 52 - 7 = _______.
What is what is 45?
500
If the rule is -12 and the out number is 58, what is the in number?
What is 70
500
Using the trade first method, 548 - 275 is _________.
What is 8-5 = 3, you can't take 4-7, so you regroup one of the hundreds for 10 tens, which makes it 14 - 7 = 7, and then 400 - 200 = 200, so it is 273.
500
Ms. Benson has a timer that alarms every 15 minutes. This is the number of times her alarm rings if she uses it 13 times that day.