First Grade Math
14 + 6 =
20
20 - ___ = 10
10
Tell us step-by-step how to measure a book, using centimeter cubes. (yellow cubes)
Align the ends, place cubes next to each other with no gaps, count to find the length measurement.
Rai has 12 apples. 8 are red, the rest are green. How many apples are green?
Rai has 4 green apples.
Natalie has 12 unicorns. 5 have pink hair and 4 have golden hair (manes). How many unicorns have other hair colors?
3 unicorns have other hair colors.
19 - 8 =
11
___ - 30 = 34
64
Name the different shapes that each have 4 sides.
square, rectangle, rhombus, trapezoid (quadrilaterals)
Nitzan has 23 cars. 4 of the cars are black, the rest of the cars are other colors. How many cars are not black?
Nitzan has 19 cars that are other colors.
Jozi did 18 jumping-jacks and 10 hopscotch-hops. Then she did 4 push-ups. How many exercises did she do in all?
Jozi did 32 exercises.
7 + 9 + 3 =
19
16 + 14 + 8 = ___
38
What does "half past 3 o'clock" mean?
30 minutes past the hour, so it is 3:30
If there are 34 gummy bears on the plate, and Jia eats 20 of them, how many gummy bears are left?
14 gummy bears are left.
Lily has 45 candies. Katia has 54 candies. Who has more candies? How do you know?
54 > 45 so Katia has more. Use place value to compare.
24 + 12 =
36
236 + 7 + 10 = ___
253
Explain the difference between a half and a quarter.
Half is two equal parts, while a quarter (fourth) is four equal parts.
How many hours are in 1 day? Bonus: How many hours are in 3 days?
24 hours. Bonus: 72 hours
Ryan and JiHoon say that 105 + 30 is greater than 150 - 25. What do you think? How do you know?
135 > 125 so Ryan and JiHoon are correct.
97 - 40 =
57
101 - 80 = ___
21
If the minute hand is on the 6, and the hour hand is between the 4 and the 5, what time is it?
4:30
Zimri baked 29 cookies on Saturday. On Monday there were only 8 cookies left. How many cookies did Zimri's family eat already?
Zimri's family has eaten 21 cookies already.
200+30+6=236
230+6=236
100+100+15+15+3+3=236