Math Review

Rounding

100

Round 48 to the nearest 10.

50

200

Round 123 to the nearest 10.

120

300

Round 519 to the nearest 100. 

500.

400

Round 680 to the nearest 100.

700

500

Round 150 to the nearest 100. 

200

Adding 3 Digits

100

182+150

332

200

520+ 147

667

300

415+138

553

400

336+249

585

500

727+253

980

Subtracting 3 Digits

100

450-250

200

200

520-310

210

300

453-325

128

400

485-326

159

500

671-593

78

Perimeter

100

If I have a square and one of the sides is 8ft, what is the perimeter of the shape?

32ft

200

If I have a rectangle and one of the sides is 4cm and the other side is 5cm, what is the perimeter of the shape?

18cm

300

If I have a triangle and the sides are 14cm, 18cm, and 10cm, what is the perimeter of the shape?

42cm

400

If I have a triangle with the perimeter of 68ft and I know two of the sides are 15ft and 22ft, what is the dimension of the third side?

31ft

500

If I'm building a fence that is 24ft long, what can my sides be?

many answers

Story Problems

100

I went to the candy store and bought 234 chocolate covered almonds and 464 sour patch kids. How many candies did I buy in total?

698 candies

200

Bobby the giraffe is 264in tall and Sally the giraffe is 153in tall. How much taller is Bobby than Sally?

11in

300

On Tuesday the T-shirt store sold 563 shirts and then on Wednesday they sold 732 more shirts. How many more shirts did they sell on Wednesday than Tuesday?

169 tshirts

400

Manny went to the store with $156. He bought 2 sets of paint brushes for $25 each. Then he bought a poster to pain for $15. How much did he spend? How much money does he have left over? 

He spent $65 and he has $91 left.

500

Jack and Jill went for a walk and they walked the edge of the park. If they walked 125ft, what could the dimensions edges be?

multiple answers