Blast Off! (Single Digits) 🚀
There are 4 astronauts on a spaceship. 3 more board. Write the equation.
Answer: 4 + 3 = 7
There are 24 stars in a constellation. 15 more are discovered. Write the equation.
Answer: 24 + 15 = 39
A space station stores 214 food packs. Astronauts use 123. Write the equation.
Answer: 214 − 123 = 91
What number is 10 more than 46?
Answer: 56
True or False:
70 is greater than 47.
True
A rocket has 9 fuel tanks. 2 are emptied. Write the equation.
Answer: 9 − 2 = 7
A rover collects 48 moon rocks. Scientists study 16 of them. Write the equation.
Answer: 48 − 16 = 32
Scientists discover 345 stars. They find 212 more. Write the equation.
Answer: 345 + 212 = 557
What number is 100 less than 534?
Answer: 434
Which number is larger?
398 or 389
Answer: 398
There are 5 stars in the sky. 4 more appear. Write the equation.
Answer: 5 + 4 = 9
There are 31 astronauts training. 27 more join. Write the equation.
Answer: 31 + 27 = 58
A rover collects 678 space samples. Scientists test 234 of them. Write the equation.
Answer: 678 − 234 = 444
Which number is even?
319
428
517
Answer: 428
What number is missing?
45, 45, ___, 48
47
An astronaut collects 8 moon rocks. She gives 3 to a scientist. Write the equation.
Answer: 8 − 3 = 5
Mission Control tracks 67 satellites. 23 stop sending signals. Write the equation.
Answer: 67 − 23 = 44
Mission Control records 451 meteors. 326 more appear. Write the equation.
Answer: 451 + 326 = 777
Fill in the blank:
30 + 40 = ____
Answer: 70
Which number has the greatest value?
502
520
250
Answer: 520
There are 6 satellites orbiting Earth. 2 move away. Write the equation.
Answer: 6 − 2 = 4
A spaceship has 54 supplies. It receives 34 more. Write the equation.
Answer: 54 + 34 = 88
An observatory counts 887 stars. Clouds block 345 from view. Write the equation.
Answer: 887 − 345 = 542
What number is in the ones place?
356
Answer: 6
How many hundreds are in 830?
Answer: 8 hundreds