1. 直接写出得数。(每题 2★)
$150 - 60 = $ $400 + 300 = $ $900 - 300 = $
$800 + 900 = $ $600 - 200 = $ $180 - 80 = $
$500 + 800 = $ $50 + 500 = $ $80 + 30 = $
$80 + 90 = $ $720 - 300 = $ $2500 - 2000 = $
$500 + 600 = $ $2700 - 1000 = $ $160 - 70 = $
$9700 - 4000 = $ $6700 + 1000 = $ $1800 - 900 = $

90 700 600
1700 400 100
1300 550 110
170 420 500
1100 1700 90
5700 7700 900

2. 计算。(每题 3★)
$3000 - 2000 + 600$ $1700 - 800 - 200$ $5000 - (700 + 700)$

1600 700 3600

3. 投篮。(连一连)(10★)


4. 在$\bigcirc$里填上“＞”“＜”或“=”。(每题 2★)


$1500 - 700\bigcirc2000 - 900$ $3200 + 400\bigcirc3800 - 200$


$800 + 1000\bigcirc2900 - 1000$ $1200 + 400\bigcirc900 + 400$

$3000 - 2100\bigcirc500 + 300$ $4300 - 2000\bigcirc1900 + 600$

3.
4. ＜ =
＜ ＞
＞ ＜