Question

come up with 6th grade math questions for adding and subtracting decimals, and multiplying and dividing decimals

Answer 1

Here are 24 sixth-grade level problems (and an answer key) organized by skill: adding, subtracting, multiplying, and dividing decimals. Short tips are included for each section.

Adding decimals — tip: line up the decimal points before adding
1) 3.45 + 2.6
2) 12.07 + 0.395
3) 0.9 + 4.06
4) 7.125 + 2.875
5) 15.3 + 6.47 + 0.056
6) Word: Sarah ran 2.75 miles on Monday and 3.6 miles on Tuesday. How many miles total?

Subtracting decimals — tip: line up decimal points and borrow as needed
7) 8.5 − 3.275
8) 10.00 − 7.456
9) 5.0 − 2.345
10) 14.006 − 0.789
11) 6.2 − 3.95
12) Word: A student has $50.00, spends $12.34 and then $8.90. How much money is left?

Multiplying decimals — tip: multiply as whole numbers, then place decimal point so total decimal places = sum of places in factors
13) 3.2 × 4
14) 0.6 × 3.5
15) 12.5 × 0.4
16) 2.75 × 1.2
17) 0.08 × 0.25
18) Word: Each flour pack weighs 0.75 kg. How many kilograms in 6 packs?

Dividing decimals — tip: if the divisor is a decimal, move the decimal in both divisor and dividend to make the divisor a whole number
19) 7.5 ÷ 5
20) 3.6 ÷ 0.6
21) 12.5 ÷ 2.5
22) 0.84 ÷ 0.07
23) 9.6 ÷ 0.4
24) Word: 2.4 liters of juice are shared equally among 8 friends. How many liters does each friend get?

Answer key
Adding:
1) 6.05
2) 12.465
3) 4.96
4) 10.00 (or 10)
5) 21.826
6) 6.35

Subtracting:
7) 5.225
8) 2.544
9) 2.655
10) 13.217
11) 2.25
12) 28.76

Multiplying:
13) 12.8
14) 2.1
15) 5.0 (or 5)
16) 3.3
17) 0.02
18) 4.5 kg

Dividing:
19) 1.5
20) 6
21) 5
22) 12
23) 24
24) 0.3 L

If you want these turned into a printable worksheet (with space for students to write answers) or a mix of easier/harder problems, I can format that.