Math

Double Digit Mult.

100

33x10

330

200

5210 x 1000

5210000

300

33x100

3300

400

45x20

900

500

55x22

1210

Number line

100

What is the half way point between 300 and 400?

350

200

What thousands is 4560 between?

4000 and 5000

300

What thousands is 3467 between?

3000 and 4000

400

What thousand is 1894 CLOSEST to?

2000

500

Put 7889 on a number line

Show to Ms. Kaye

Order of Operations

100

What are the order of operations? (List the Steps)

1. Grouping

2. Multiple/Divide

3. Add or Subtract

200

Which direction do we go in the order of operations?

a) right to left

b) up to down

c) left to right

d) in a circle

e) it doesn't matter as long as we start with grouping

c) left to right

300

(5 + 3 x 7) - 6

20

400

[(6 x 5) ÷ 2] + 15

30

500

[(4 + 3 x 9) + 9] ÷ 5 

8

Exponents

100

10² = ??

100

200

1000 is 10^??? 

What number should go in exponent spot?

3 or 10³

300

When you multiple decimals by 10s the decimal moves to the (which direction)?

Right --->

400

When you divide decimals by 10s the decimal moves to the (which direction)?

<---- Left

500

12.1 x 10² =

1210

Rounding

100

3.4

Round to the nearest ONES place

3.0 or 3

200

When you round all numbers behind the number rounded became what?

Zero or 0

300

28.35

Round to the nearest TENS place

30.00 or 30

400

732 x 25

Round to the nearest 100s for 732

and round to the nearest 10s for 25

then solve

700 x 30 = 21,000

500

5560 x 42

Round to nearest 1000s for 5560

and nearest 10s for 42 

then solve

6000 x 40 =240,000