Place Value
Round 451 to the nearest ten
450
Count forwards by 5's starting at 25 with your partner until 100.
25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100
305 + 512
817
Helen baked 435 chocolate chip cookies yesterday and 139 cookies this morning. How many cookies did Helen bake?
574
Round 345 to the nearest hundred.
300
Count forwards by 2's starting at 12 with your partner until 100.
**
100 + 800
900
Pinky the Pig bought 36 apples while Danny the Duck bought 73 apples and 14 bananas. How many apples do they have altogether?
109
write 2 647 in expanded form
2000+600+40+7
Round 987 to the nearest ten
990
Count backwards by 10's with your eyes closed starting at 100
100, 90, 80, 70,60,50,40,30,20,10,0
406 + 855
1261
Dylan the Dog prepared 241 hotdog sticks in a huge brown bag. His father placed 426 more hotdog sticks in the same brown bag. How many hotdog sticks did Dylan and his father place in the brown bag?
667
Round 456 to the nearest hundred
500
When counting by 5's, what are the next three numbers you count after 45?
50, 55, 60
457+754
1211
To carry heavy construction materials, they employed 413 red ants and 487 black ants. How many ants did they employ in total?
900
Fill in the missing numbers 145, 135, 125, 115, ____, _____
105, 95
What are the rounding rules?
5 or higher you round up. 4 or lower you round down.
Count by 2's (starting at 1) all the way to 101 with your partner.
**
567+324
891
o make sure the framework of the tower is strongly built, they hired the best builders in town. If they hired 318 beavers and 544 spiders, how many workers in total did they hire to make the framework?
862