Addition
323+546
178-165
What is 13
What are two numbers I can be?
I am even
I round to 0 when rounding to the nearest hundred
I round to 30 when rounding to the nearest ten
What is 26, 28, 30, 32, 34 (any two work)
Andre had 245 cards. He buys 7 packages of cards.
What information do you need to know to find the number of cards Andre has now?
What is the number of cards in each package?
What is 12 rounded to the nearest 10?
What is 10
289+114
What is 403
236-145
What is 91
I am odd
I round to 200 when rounding to the nearest hundred
I round to 160 when rounding to the nearest ten
What is 155, 157, 159, 161, 163 (any two works)
There are 240 connecting cubes in the box. Five students each take 9 connecting cubes from the box. How many connecting cubes are left in the box? Write an equation with the unknown quantity.
What is 145 rounded to the nearest ten?
What is 150
673+319
What is 992
368-279
What is 89
Han rides his bike a certain distance (in yards). He has his friend guess how far he
rides.
He gives these clues:
• The number is odd.
• The number rounded to the nearest 10 is 880.
• The number is between 870 and 890.
What are two numbers that could be the distance Han rides his bike
What are 875, 877, 879, 881,883 (any of these two work)
A butterfly garden has 120 butterflies of one species.
It also has 6 butterflies of each of 5 different species.
How many butterflies are in the garden?
What is 150 butterflies?
120+(6x5)=150
What is 347 rounded to the nearest ten and hundred?
What is 350 and 300
779+189
What is 968
232-187
What is 45
What are two options for my mystery number?
My number is odd
My number rounded to the nearest ten is 990
My number is between 970-1,000
What is 985, 987, 989, 991, 993 (any two of these work)
Priya has 120 rare pennies in her coin collection. She
buys 5 nickels at a trade show. Her aunt gives her 6
quarters. How many coins does Priya have now?
What is 131 coins?
120+(5+6)=131
What is 989 rounded to the nearest ten and nearest hundred?
What is 990 and 1,000?
984+279
What is 1,263
852-768
What is 84
What are two options for what my mystery number is?
My number is even
My number rounded to the nearest ten is 1,550
My number rounded to the nearest hundred is 1,500.
What are 1,546, 1,548, 1,550 (any two of these works)
A carpenter has 590 nails in his tool bag. He finds a box with some nails in his truck.
Then, he uses 211 nails at a job site. Now, he has 520 nails.
How many nails does the carpenter find in his truck?
What is 141 nails?
590-211=379
520-379=141
What is 1,500 rounded to the nearest thousand?
What is 2,000?