Select the bowling ball and drag the arrow on the direction you want it to go. The longer the arrow the faster the ball will go. Try to knock the pins into the walls. After each shot you will be asked how many pins you knocked out. The pins will be organized in ten frames. Try to get to 40 pins.
Grade 1 » Number & Operations in Base Ten
Understand place value: 10 can be thought of as a bundle of ten ones — called a “ten.”