Unit 4 Math Review

Mystery

100

Read the following number correctly:

6, 541, 161, 782

Teacher will listen for correct reading

200

Skriv med siffror: tre femtedelar

Write with numbers: three-fifths

3/5

300

4000 = 50 x ?

80

400

Shima rider 30 gånger. Det kostar 6600 kr. Hur mycket kostar det per gång?

Shima rides 30 times. It cost 6600 kr. How much did each ride cost?

220 kr

500

Nils säljer 1/4 av sin kortsamling. Om han har 24 kort kvar, hur många sålde han?

Nils sells 1/4 of his card collection. If he has 24 cards left, how many did he sell?

8 cards

8 kort

Rounding and Estimating

100

Round 59 to the nearest ten

60

200

677 - 432

700 - 400 = 300

300

4236 x 3

12 000

(4000 x 3)

400

7080 / 11

700

(7000 / 10)

500

9043 - 1950 - 5589 =

1000

(9000 - 2000 - 6000)

Fraction

100

Which is greater 1/4 or 1/100

1/4

200

What is greater 2/3 or 3/4?

3/4

300

1/3 = 4/?

12

400

1/5 + 1/5 = 

2/5

500

6/21 = 2/?

6/21 = 2/7

Multiplication

100

What is 5 x 10?

50

200

What is 35 x 100?

3500

300

What is 600 x 200?

120 000

400

What is 230 x 40?

230 x 10 x 4 = 2300 x 4 = 9200

500

What is 72 x 90?

72 x 9 = 648 x 10 = 6480

Division

100

What is 100 / 20?

5

200

What is 2700 / 900?

3

300

What is 50000 / 200 ?

250

400

32800 / 80 =

410

500

? / 900 = 50

What is ?

45 000