Choose a useful mental strategy practice check

Q: What will my child learn in "Choose a useful mental strategy"?

Different addition and subtraction problems can be solved in different ways. Choose the strategy that makes the numbers easiest to work with in your head. This 2nd Grade Math lesson builds the skill Mental math strategies with a concept card and practice.

Q: What grade level is "Choose a useful mental strategy" for?

"Choose a useful mental strategy" is a 2nd Grade Math lesson in the Compare and Estimate unit, designed for students around ages 7-8.

Q: How many practice questions are in this lesson?

This lesson includes 66 practice questions with instant feedback. Guests can try a few for free, and signed-in learners get the full adaptive set that adjusts to their level.

Q: How does Sparq help with "Choose a useful mental strategy"?

Sparq is a safe AI tutor that gives kid-friendly hints and explains Choose a useful mental strategy step by step, helping students learn without just giving away the answer.

Q: Do I need an account to practice "Choose a useful mental strategy"?

No account is needed to start — guests can try this 2nd Grade Math lesson for free. Signing in saves progress, unlocks more practice questions, and tracks mastery.

Question 1

Which is the main goal when you choose a mental math strategy?

Accepted Answer

Pick the way that feels easiest with the numbers

Answer

Always count by ones

Answer

Always write the problem on paper

Answer

Pick the longest way

Question 2

Which strategy fits the picture?

Accepted Answer

Make 10

Answer

Count by 2s

Answer

Skip the 10

Answer

Round to 100

Question 3

A smart way to rewrite 52 + 9 is 52 + ___ + ___.

Accepted Answer

8 and 1

Answer

5 and 4

Answer

9 and 0

Answer

2 and 7

Question 4

Which problem is easier to solve using make-ten?

Accepted Answer

29 + 6

Answer

29 + 17

Answer

Both are the same

Answer

Neither can use make-ten

Question 5

Which is a smart way to solve 61 - 39 mentally?

Accepted Answer

Think 61 - 40 + 1

Choose a useful mental strategy

Pick the easiest way