Addition
Subtraction
Rounding
Story Problems
Expressions/Arrays
100
Find the sum. 546 + 231
What is 777?
100
Compute the difference. 668 - 347
What is 321?
100
Round the number 19 to the nearest ten and the nearest hundred. Show or explain your reasoning.
What is 20 and 0?
100
There are 286 connecting cubes in the box. Ten students each take 9 connecting cubes from the box. How many connecting cubes are left in the box? Write an equation to represent the situation. Use c for the unknown quantity
What is 286 - (10 x 9) = c?
100
Write an expression for the following arrays.
a.
b.
What is 3x5 and 2x9?
200
Find the sum. 372 + 169
What is 541?
200
Use the algorithm to find the difference.
541 - 228
What is 313?
200
Round the number 215 to the nearest ten and the nearest hundred. Show or explain your reasoning.
What is 220 and 200?
200
Sofia had 104 beads. She bought 2 more packs of beads and each pack has 10 beads in it. How many beads does she have now?
106
116
124
114
What is 124?
200
Eloise and Esme want to find the solution to 6 x 15 = ?
Which expression can help them find the solution to the equation.
(6 x 10) + 5
(5 x 10) + 6
(2 + 15) + (4 +15)
(6 x 7) + (6 x 5)
What is (6x7)+(6x5)?
300
Find the sum. 157 + 436
What is 593?
300
Lucas collected 351 Pokemon cards. Nicholas collected 198 Pokemon cards. How many more Pokemon cards did Lucas collect than Nicholas? Show or explain your reasoning.
153
247
263
549
What is 153?
300
What are all the numbers that would round to 60 if you’re rounding to the nearest 10?
What are 55, 56, 57, 58, 59, 61,62, 63, & 64?
300
There are 5 tables in the cafeteria with 9 students eating lunch at each table. There are also 177 students waiting in line for lunch at the cafeteria. How many students are there in the cafeteria altogether?
a. Write an equation for the situation. Use a “ ? “ for the unknown
177 + (5x9)=?
300
Mrs. Pearson bought 10 packs of markers for indoor recess. Each pack of markers has 8 in it. How many markers are there altogether?
Write an expression to represent the situation.
Solve the problem.
What is 10 x 8 and 80 markers?
400
Bella collected 351 small erasers. Eliza collected 198 small erasers. How many erasers are in their collections?
What is 549?
400
Bella planted a pear tree that was 257 centimeters tall and an apple tree that was 136 centimeters tall. How much taller, in centimeters, was the pear tree than the apple tree when the trees were planted? Show or explain your reasoning.
What is 121 cm.?
400
Sam said he has about 100 balloons for the party. He has 33 blue, 45 red, and 20 yellow. Do you agree or disagree with Sam? Explain.
What is yes, I agree?
400
Andre has 203 collecting cards. He gets 2 more sets of 8 cards. How many cards does Andre have now?
What is 219?
400
Ms. Powers is putting her classroom into rows. She wants to make four rows of 5.
Draw an array to represent the situation.
Write an expression to represent the situation.
If Ms. Powers has 26 students in her class, will there be enough desks for her students?
What is 4 x5 and no?
500
On Saturday, Mrs. Beaulieu spent $563 on new tires for her car. She then spent $254 at the grocery store. How much money did she spend on Saturday?
What is $817?
500
The height of the Empire State Building in New York City is 443 meters. The tallest building in the world is 830 meters. How many meters taller than the Empire State Building is the tallest building in the world?
What is 387 m.?
500
A student is rounding each number shown in the list in this box to the nearest hundred.
The student says “Every number in this list rounds to 600.” 559, 637, 651, 648, 586
Is the student correct? If not, which numbers do not round to 600.
Write the smallest number that rounds to 600 when rounded to the nearest hundred
What is yes and it is 551?
500
Ms. Kim has 590 stickers in her bin. She found more stickers in her school bag. She has given the students 211 stickers so far this year. Now, she has 520 stickers. How many stickers did Ms. Kim find in her bag?
What is 141 stickers?
500
There are 286 connecting cubes in the box. Five students each take 9 connecting cubes from the box. How many connecting cubes are left in the box. Show or explain your reasoning.
What is 241?