Rounding
Round 15 to the nearest tenth
2 x 3
6
Ms. Henry has 10 cookies and Ms.Mackey has 11 cookies. Does Ms. Henry and Ms. Mackey have the same emount of cookies? If not who has more?
No; Ms. Mackey has more than Ms. Henry
A rectangle has a length of 9cm and width of 9cm. Find the perimeter
Rember all sides are equal
9+9+9+9=36cm
what is 36cm?
If 3x5=15 what does 5x3=?
Round 43 to the nearest tenth
40
4 x 7
28
Say this sentence 278>200
278 is greater than 200
All sides on a square are 4in long. How long is the entire square?
4+4+4+4=16in
What is 16in long?
The product of 10 and 5 is?
10x5=50
Round 111 to the nearest hundredth
100
3 x ____=21
7
Say this sentence 456<500
456 is less than 500
True or False to find the perimeter of a shape we add up all the sides?
True
Ms. Henry has 10 gifts for 15 students. How many students get gifts?
Only 10 students can get gifts.
True or False when we round 232 to the nearest our answer will be 300? If false what is the answer?
False; 232 rounds down to 200
9x___=36
4
2 step problem: Jackson has 5 marbles. Mary has 4 marbles. Jackson gives Mary 2 more marbles who has more?
Jackson now has 3 (5-2=3) and Mary now has 6 (4+2=6) Mary now has more marbles than Jackson.6>3
One side of a square is 6cm long. The other side is 7cm long. The top AND bottom are both 3cm long. What is the perimeter of the square?
6+7+3+3=19cm
What is 19cm?
Ms.Brown is surprising his students with a pizza party. The party starts at 1:00pm and ends at 2:15pm how long was the party?
The party was 1 hour and 15 minutes.
Round 789 to the nearest hundredth
800
1x100x0
0
True or false : 2,345 is equal to 2,543
False! 2,543 is greater than 2,345 they are not equal.
The right side of a square is 5cm long. The top is 10cm long. The bottom is 10cm long. How long is the left side of the square? What is the perimeter of the WHOLE shape.
The perimeter of the whole shape is 30cm.
10+10+5+5=30cm
What times what gives you 20? There are 3 answers.
_?_X_?_=20
1x20=20
2x10=20 or 10x 2=20
4x5=20 or 5x4=20